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Journal articles on the topic '1990s'
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1
Eero, Margit. "Reconstructing the population dynamics of sprat (Sprattus sprattus balticus) in the Baltic Sea in the 20th century." ICES Journal of Marine Science 69, no. 6 (May 3, 2012): 1010–18. http://dx.doi.org/10.1093/icesjms/fss051.
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Abstract Eero, M. 2012. Reconstructing the population dynamics of sprat (Sprattus sprattus balticus) in the Baltic Sea in the 20th century. – ICES Journal of Marine Science, 69: 1010–1018 . Long time-series of population dynamics are increasingly needed in order to understand human impacts on marine ecosystems and support their sustainable management. In this study, the estimates of sprat (Sprattus sprattus balticus) biomass in the Baltic Sea were extended back from the beginning of ICES stock assessments in 1974 to the early 1900s. The analyses identified peaks in sprat spawner biomass in the beginning of the 1930s, 1960s, and 1970s at ∼900 kt. Only a half of that biomass was estimated for the late 1930s, for the period from the late 1940s to the mid-1950s, and for the mid-1960s. For the 1900s, fisheries landings suggest a relatively high biomass, similar to the early 1930s. The exploitation rate of sprat was low until the development of pelagic fisheries in the 1960s. Spatially resolved analyses from the 1960s onwards demonstrate changes in the distribution of sprat biomass over time. The average body weight of sprat by age in the 1950s to 1970s was higher than at present, but lower than during the 1980s to 1990s. The results of this study facilitate new analyses of the effects of climate, predation, and anthropogenic drivers on sprat, and contribute to setting long-term management strategies for the Baltic Sea.
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Novaes, Allan. "“The Battle for Men’s Minds”: Subliminal Message as Conspiracy Theory in Seventh-Day Adventist Discourse." Religions 15, no. 10 (October 17, 2024): 1276. http://dx.doi.org/10.3390/rel15101276.
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This article describes the presence of a subliminal thesis—with conspiratorial and apocalyptic content—in the discourse of the Seventh-day Adventist tradition based on a documentary analysis of Adventist publications from the 1900s to the 1990s. The history of the development of this thesis is classified into three periods: (1) Proto-Adventist Subliminal Thesis, from 1900s to 1940s, with a discourse of anti-spiritualist emphasis; (2) Adventist Subliminal Thesis’ First Wave, from 1950s to 1960s, with a discourse of anti-media emphasis in the context of James Vicary’s experiments in the 1950s; and (3) Adventist Subliminal Thesis’ Second Wave, from 1970s to 1990s, with a discourse of conspiratorial emphasis in the context of the satanic panic of the 1980s and 1990s. The Adventist subliminal thesis is configured in a way of thinking that considers (1) the human being as a “mass-man” and culture as “mass culture”; (2) the media as having the power of manipulation and mental control; (3) adherence to moral panic phenomena as reactions to media threats to traditional values; and (4) the cosmic narrative of the Great Controversy as a worldview for understanding media messages and products as part of a satanic conspiracy.
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Lippy, William H., Leonard P. Berenholz, and John M. Burkey. "Otosclerosis in the 1960s, 1970s, 1980s, and 1990s." Laryngoscope 109, no. 8 (August 1999): 1307–9. http://dx.doi.org/10.1097/00005537-199908000-00022.
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Schultz, Sally M., and Roxanne T. Johnson. "INCOME TAX ALLOCATION: THE CONTINUING CONTROVERSY IN HISTORICAL PERSPECTIVE." Accounting Historians Journal 25, no. 2 (December 1, 1998): 81–111. http://dx.doi.org/10.2308/0148-4184.25.2.81.
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The appropriate means of accounting for income taxes on financial statements has been among the most hotly debated and frequently recycled issues of the past 50 years. This retrospective account begins with the issuance of the first professional standards during the 1930s and 1940s, and illustrates how theoretical arguments, developed in professional and academic journals during the 1950s, were subsequently recycled and revised during later decades. The problems that led to reconsideration of the deferred tax issue by both the APB during the 1960s and the FASB during the 1980s and 1990s are discussed, as are the solutions offered by these standard setters.
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Jost, Timothy Stoltzfus. "Eight Decades of Discouragement: The History of Health Care Cost Containment in the USA." Forum for Health Economics and Policy 15, no. 3 (September 10, 2012): 53–82. http://dx.doi.org/10.1515/fhep-2012-0009.
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Abstract This chapter traces the history of attempts at cost control in the United States from the origins of our modern health care financing system in the 1930s and 1940s, through health care cost regulation in the 1970s, and the deregulatory 1980s and 1990s, to the Affordable Care Act.
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Horáček, Martin. "Czy to zawsze kwestia stylu? Problem właściwej terminologii architektonicznej w renowacjach zamków w Czechach i na Morawach od lat 90-tych XIX wieku do lat 20-tych XX wieku." Protection of Cultural Heritage, no. 18 (December 30, 2023): 35–59. http://dx.doi.org/10.35784/odk.3447.
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This study addresses castle renovations from the turn of the twentieth century up until the present, focusing on their stylistic aspect. Although castles (both ruined and inhabited) have been considered prominent subjects of heritage conservation since the beginning of the conservation movement, they require architectural additions to further their integration into contemporary life, even if a strictly conservationist approach is applied. In contrast to nineteenth-century European attitude to conservation, the twentieth- and twenty-first-century conservation professionals mostly recommend that the new elements comply with the preserved composition or scale, leaving the question of their style (i.e. a coherent architectural vocabulary) open. The study examines selected Czech examples that feature a substantial newly-added layer (Gothic in Bouzov, the 1890s–1900s; Art Nouveau and Art Deco in Nové Město nad Metují, the 1910s–1920s; Classical in Prague Castle, the 1920s–1950s; Technocratic in Lipnice, the 1970s–1980s; Romantic in Častolovice, the 1990s; Minimalist in Helfštýn, the 2010s). Drawing on these examples, the analysis raises the following questions: how should new additions relate to the authenticity and integrity of the renovated monuments and what variables influence this relationship? Should conservation authorities regulate the vocabulary of modern interventions?
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Majumdar, Sumit. "Utilization of Different Categories of Resources in Indian Industry." Vikalpa: The Journal for Decision Makers 22, no. 4 (October 1997): 41–48. http://dx.doi.org/10.1177/0256090919970405.
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In this paper, Sumit Majumdar analyses the patterns of utilization of various key resources — production staff, administrative staff, physical capital, and working capital — in the Indian indus try between the period 1950-51 and 1992-93. The ratio of optimal to actual input usage is calculated for the four key resource inputs. It is found that Indian industry was relatively efficient in the 1950s, but efficiency had plummeted in the 1960s and 1970s relative to the 1950s. The regression of industrial performance in the 1960s and 1970s was reversed in the 1980s. However, in the 1990s, the Indian industry has merely caught up with a performance level once attained in the 1950s and no dynamic progress in its performance over time is noted.
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Zheng, Jingyun, Yingzhuo Yu, Xuezhen Zhang, and Zhixin Hao. "Variation of extreme drought and flood in North China revealed by document-based seasonal precipitation reconstruction for the past 300 years." Climate of the Past 14, no. 8 (August 9, 2018): 1135–45. http://dx.doi.org/10.5194/cp-14-1135-2018.
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Abstract. Using a 17-site seasonal precipitation reconstruction from a unique historical archive, Yu-Xue-Fen-Cun, the decadal variations of extreme droughts and floods (i.e., the event with occurrence probability of less than 10 % from 1951 to 2000) in North China were investigated, by considering both the probabilities of droughts/floods occurrence in each site and spatial coverage (i.e., percentage of sites). Then, the possible linkages of extreme droughts and floods with ENSO (i.e., El Niño and La Niña) episodes and large volcanic eruptions were discussed. The results show that there were 29 extreme droughts and 28 extreme floods in North China from 1736 to 2000. For most of these extreme drought (flood) events, precipitation decreased (increased) evidently at most of the sites for the four seasons, especially for summer and autumn. But in drought years of 1902 and 1981, precipitation only decreased in summer slightly, while it decreased evidently in the other three seasons. Similarly, the precipitation anomalies for different seasons at different sites also existed in several extreme flood years, such as 1794, 1823, 1867, 1872 and 1961. Extreme droughts occurred more frequently (2 or more events) during the 1770s–1780s, 1870s, 1900s–1930s and 1980s–1990s, among which the most frequent (3 events) occurred in the 1900s and the 1920s. More frequent extreme floods occurred in the 1770s, 1790s, 1820s, 1880s, 1910s and 1950s–1960s, among which the most frequent (4 events) occurred in the 1790s and 1880s. For the total of extreme droughts and floods, they were more frequent in the 1770s, 1790s, 1870s–1880s, 1900s–1930s and 1960s, and the highest frequency (5 events) occurred in the 1790s. A higher probability of extreme drought was found when El Niño occurred in the current year or the previous year. However, no significant connections were found between the occurrences of extreme floods and ENSO episodes, or the occurrences of extreme droughts/floods and large volcanic eruptions.
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Maloney, Thomas N. "Higher Places in the Industrial Machinery?" Social Science History 26, no. 3 (2002): 475–502. http://dx.doi.org/10.1017/s0145553200013067.
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The economic history of African American workers since 1940 has been marked by alternating episodes of progress and stagnation. Sharp gains in relative incomes during the 1940s were followed by little change in this measure in the 1950s. Renewed progress from the mid-1960s to the mid-1970s was followed by a new period of stagnation and even decline in relative pay in the 1980s and early 1990s. The important episodes of progress were to a great degree driven by changes on the demand side of the labor market: rapid growth in labor demand—especially for blue-collar workers—during WorldWar II and the effect of new antidiscrimination policies on the demand for black labor after 1965 (Donohue and Heckman 1991; Jaynes andWilliams 1989: 294–96).
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Llorca-Jaña, Manuel, Diego Barría Traverso, Diego del Barrio Vásquez, and Javier Rivas. "Malnutrition Rates in Chile from the Nitrate Era to the 1990s." International Journal of Environmental Research and Public Health 18, no. 24 (December 12, 2021): 13112. http://dx.doi.org/10.3390/ijerph182413112.
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Following Salvatore and the WHO, in this article, we provide the first long-term estimates of malnutrition rates for Chile per birth cohort, measured through stunting rates of adult males born from the 1870s to the 1990s. We used a large sample of military records, representative of the whole Chilean population, totalling over 38 thousand individuals. Our data suggest that stunting rates were very high for those born between the last three decades of the nineteenth century and the first two decades of the twentieth century. In addition, stunting rates increased from the 1870s to the 1900s. Thereafter, there was a clear downward trend in stunting rates (despite some fluctuations), reaching low levels of malnutrition, in particular, from the 1960s (although these are high if compared to developed countries). The continuous decrease in stunting rates from the 1910s was mainly due to a combination of factors, the importance of which varied over time, namely: Improved health (i.e., sharp decline in infant mortality rates during the whole period); increased energy consumption (from the 1930s onwards, but most importantly during the 1990s); a decline in poverty rates (in particular, between the 1930s and the 1970s); and a reduction in child labour (although we are less able to quantify this).
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Saleniece, Irēna, and Maija Grizāne. "Searching for New Identities: The Belarusian Minority in the Latvian-Belarusian Borderlands from the 1920s to the 1990s." Lithuanian Historical Studies 28, no. 1 (November 22, 2024): 131–67. http://dx.doi.org/10.30965/25386565-02801005.
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The research presented here is based on life stories that were collected during fieldwork in the Latvian-Belarusian borderland from 2003 to 2020 by the Oral History Centre of Daugavpils University. These oral testimonies of Belarusians disclose the circumstances that facilitated or interfered with their involvement in local society, and the changes which occurred in their sense of self-identity. The results of a comparison of three groups of Belarusians demonstrate major differences between identity, formed during the existence of the independent state, the Soviet period, and the post-Soviet period in Latvia’s history. The groups concerned are: (1) Belarusians born during the 1920s and 1930s in the territory of Latvia; (2) Belarusians born during the 1920s and 1930s who moved to the territory of Latvia in the 1940s and 1950s; and (3) Belarusians born during the 1940s and 1950s who moved to the territory of Latvia in the 1960s and 1970s. Belarusians of group 1 mostly integrated successfully into Latvian society, preserving their ethnic identity to some extent. The Soviet migrants (groups 2 and 3), influenced by communist ideology and russification, with some exceptions mostly identified with the ‘Soviet people’, ignoring ethnicity. These Belarusians integrated successfully into Soviet Latvia, but after the collapse of the USSR they had problems recognising the political changes, and needed support in finding their own place in Latvian society.
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Collins, David N. "Climatic warming, glacier recession and runoff from Alpine basins after the Little Ice Age maximum." Annals of Glaciology 48 (2008): 119–24. http://dx.doi.org/10.3189/172756408784700761.
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AbstractRecords of discharge of rivers draining Alpine basins with between 0 and ~70% ice cover, in the upper Aare and Rhône catchments, Switzerland, for the period 1894–2006 have been examined together with climatic data for 1866–2006, with a view to assessing the effects on runoff from glacierized basins of climatic warming coupled with glacier recession following the Little Ice Age maximum. Annual runoff from ice-free basins reflects precipitation variations, rising from minima between 1880 and 1910 to maxima between the late 1960s and early 1980s. The more highly glacierized the basin, the more runoff mimicked mean May–September air temperature during two periods of warming. Runoff increased gradually from the 1900s, rapidly in the 1940s, before decreasing to the late 1970s. Rising runoff levels during the second warming period failed to exceed those attained during the first, despite higher summer temperatures. Although temperatures continued to rise, discharge from glacierized basins declined after reaching maxima in the late 1980s to early 1990s. In the first warming period, rising specific melt rates augmented by increasing precipitation opposed the impact of declining glacier area on runoff. Although melt continued to increase in the second period, enhanced melting (even in the exceptionally warm summer of 2003) appears to have been insufficient to offset reducing glacier surface area exposed to melt, low or reducing levels of precipitation, and increasing evaporation. Thus runoff from glacierized basins peaked in the late 1940s to early 1950s.
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Stockemer, Daniel, and Rodrigo Praino. "The Incumbency Advantage in the US Congress: A Roller-Coaster Relationship." Politics 32, no. 3 (September 3, 2012): 220–30. http://dx.doi.org/10.1111/j.1467-9256.2012.01438.x.
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While every student in American politics knows that the incumbency advantage grew post-1965, it is less clear as to whether or not this growth has been sustainable throughout the 1980s, 1990s and 2000s. Focusing on the last three decades, we show that the electoral margins of sitting members of the House of Representatives have not linearly grown over the past 60 years. On the contrary, the constant increase in incumbents' vote shares between the 1960s and 1980s could not be sustained in the 1990s. In fact, in the 1990s, the incumbency advantage dropped sharply to levels experienced in the 1960s. In recent years, the electoral margin of sitting House members seems to have grown again to levels comparable to those in the 1970s.
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Song, Byoung Weon, and Hee Ju Kim. "A study on the meaning of education in the first issue of an educational magazine." Korean Publishing Science Society 107 (August 30, 2022): 5–27. http://dx.doi.org/10.21732/skps.2022.107.5.
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This study examined the meaning of education by analyzing the cover, table of contents, and contents of the first issue of an educational magazine founded in the 1990s from the liberation of 1945 to the 1990s. The main contents of the study are as follows. First, the main theme of educational magazines launched during the liberation period in 1945 and the 1950s was ‘reconstruction and common sense of education’. Second, educational magazines launched in the 1960s and 1970s focused on 'enlightenment and popularization of education'. Third, educational magazines launched in the 1980s often focused on 'reformation and specialization of education'. Fourth, the educational magazine, launched in the 1990s, focused on nurturing talented people needed by our society and improving school education, and aimed at 'diversification and advancement of education'. These results suggest that today's educational magazines should not only play the role of information magazines that reflect the flow of education, but also focus on the production of high-quality articles tailored to readers.
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Burlutskyi, Andriy. "Scenic Speech in the «New Ukrainian Theatre»: Specificity of Functioning." Bulletin of KNUKiM. Series in Arts, no. 34 (June 5, 2016): 10–19. https://doi.org/10.31866/2410-1176.34.2016.158193.
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The paper identifies specificity of forming and functioning of scenic speech in the period of formation of the «new Ukrainian theatre», whose framework chronologically unites the «silver» era (the 1920s) and the Ukrainian soviet theatre (the political theatre of the 1930s–1950s, the theatre of war time, the theatre of aesthetic innovations of the 1950s–1960s, and the «searching» theatre of the 1970s–1980s).
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Hanagan, Michael P. "Labor History and the New Migration History: A Review Essay." International Labor and Working-Class History 54 (1998): 57–79. http://dx.doi.org/10.1017/s0147547900006219.
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Debates over the significance of immigration and demands for its restriction in industrialized nations have been a major feature of political life in the 1980s and 1990s. There are several reasons for this heightened concern. In Western Europe, the 1990s have been a decade of slower growth, particularly compared with the halcyon decades of the 1950s and 1960s when mass migration, severely restricted during the interwar years, again became a routine aspect of European life.Even more persistent and troubling has been the declining position of less skilled workers in the economies of industrial nations. The International Monetary Fund notes that, beginning in the 1970s or the early 1980s, “labor markets in the advanced economies have been characterized by marked increases in wage inequality in some countries between the more skilled and less skilled, and in other countriesby rises in unemployment among the less skilled.” Many less skilled workers believe that migrants are responsible for their declining wages and unemployment.
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Helpman, Elhanan. "The Structure of Foreign Trade." Journal of Economic Perspectives 13, no. 2 (May 1, 1999): 121–44. http://dx.doi.org/10.1257/jep.13.2.121.
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During the last two decades, new research has greatly advanced the understanding of the structure of world trade. While research in the 1960s and 1970s provided mostly theoretical insights, major empirical innovations concerning the study of factor content of net trade flows appeared in the 1980s. Important improvements in this line of research were added in the 1990s. The author also discusses the literature that emphasizes economies of scale and product differentiation. This work was done mostly in the 1980s and 1990s, yielding important theoretical and empirical findings. An emphasis on the interplay between theoretical and empirical research characterizes the entire presentation.
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Ramsey, Justin, and Tara S. Ramsey. "Ecological studies of polyploidy in the 100 years following its discovery." Philosophical Transactions of the Royal Society B: Biological Sciences 369, no. 1648 (August 5, 2014): 20130352. http://dx.doi.org/10.1098/rstb.2013.0352.
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Polyploidy is a mutation with profound phenotypic consequences and thus hypothesized to have transformative effects in plant ecology. This is most often considered in the context of geographical and environmental distributions—as achieved from divergence of physiological and life-history traits—but may also include species interactions and biological invasion. This paper presents a historical overview of hypotheses and empirical data regarding the ecology of polyploids. Early researchers of polyploidy (1910s–1930s) were geneticists by training but nonetheless savvy to its phenotypic effects, and speculated on the importance of genome duplication to adaptation and crop improvement. Cytogenetic studies in the 1930s–1950s indicated that polyploids are larger (sturdier foliage, thicker stems and taller stature) than diploids while cytogeographic surveys suggested that polyploids and diploids have allopatric or parapatric distributions. Although autopolyploidy was initially regarded as common, influential writings by North American botanists in the 1940s and 1950s argued for the principle role of allopolyploidy; according to this view, genome duplication was significant for providing a broader canvas for hybridization rather than for its phenotypic effects per se . The emphasis on allopolyploidy had a chilling effect on nascent ecological work, in part due to taxonomic challenges posed by interspecific hybridization. Nonetheless, biosystematic efforts over the next few decades (1950s–1970s) laid the foundation for ecological research by documenting cytotype distributions and identifying phenotypic correlates of polyploidy. Rigorous investigation of polyploid ecology was achieved in the 1980s and 1990s by population biologists who leveraged flow cytometry for comparative work in autopolyploid complexes. These efforts revealed multi-faceted ecological and phenotypic differences, some of which may be direct consequences of genome duplication. Several classical hypotheses about the ecology of polyploids remain untested, however, and allopolyploidy—regarded by most botanists as the primary mode of genome duplication—is largely unstudied in an ecological context.
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Collins, David N. "Climatic variation and runoff in mountain basins with differing proportions of glacier cover*." Hydrology Research 37, no. 4-5 (August 1, 2006): 315–26. http://dx.doi.org/10.2166/nh.2006.017.
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Records of discharge from partially-glacierised basins in the upper Rhône catchment, Switzerland, were examined together with air temperature and precipitation data in order to assess impacts of climatic fluctuation and percentage glacierisation of basin on runoff, as glaciers declined from dimensions attained during the Little Ice Age. Above 60% glacierisation, year-to-year variations in runoff mimicked mean May–September air temperature, rising in the warm 1940s, declining in the cool 1970s, before increasing (by 50%) into the warm dry 1990s/2000s but not reaching 1940s maxima. In basins with between 35–60% glacierisation, flow also increased into the 1980s but waned through the 1990s. With less than 2% glacierisation, the pattern of runoff was broadly the inverse of that of temperature and followed precipitation, dipping in the 1940s, rising in the cool wet late 1960s, and declining into the 1990s/2000s, with glacier melt in warm years being insufficient to offset lack of precipitation. On mid-sized glaciers at relatively low elevations and with limited vertical extent, in warmer years, the transient snow line was above the highest point of the glacier. Only on large glaciers descending from high elevations can rising transient snowlines continue to expose more ice to melt. Runoff from such large glaciers was enhanced in warm summers but reduction of overall ice area through glacier recession led to runoff in the warmest summer (2003) being lower than the previous peak discharge recorded in the second warmest year (1947).
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Singha, Komol. "Understanding ethnicity-based autonomy movements in India's northeastern region." Nationalities Papers 45, no. 4 (July 2017): 687–706. http://dx.doi.org/10.1080/00905992.2017.1300879.
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Soon after independence, India's northeastern region was swamped in a series of conflicts starting with the Naga secessionist movement in the 1950s, followed by others in the 1960s. The conflicts intensified and engulfed the entire region in the 1970s and 1980s. However, in the 1990s, following reclamation of ethnic identities amid gnawing scarcities, the conflicts slowly turned into internal feuds. Consequently, alliance and re-alliance among the ethnic groups transpired. In the 2000s, it finally led to the balkanization of ethnicity-based autonomy movements in the region. Unfortunately, the state's ad-hoc measures failed to contain protected conflicts and, instead, compounded the situation and swelled hybrid ethnic identities.
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Wolfe, Eugene L. "Creating Democracy's Good Losers: The Rise, Fall and Return of Parliamentary Disorder in Post-war Japan." Government and Opposition 39, no. 1 (2004): 55–80. http://dx.doi.org/10.1111/j.0017-257x.2004.00031.x.
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Abstract‘Good losers’, legislators willing to play by parliamentary rules, even at the cost of defeat, are a microfoundation of democracy. Yet how they are created has not been adequately explained. Theories focusing on institutions, evolving norms, electoral incentives and ideology do not account for the case of post-war Japan, where deliberate disorder was common in the 1950s and 1960s, absent in the 1970s and 1980s, and returned in the 1990s. This paper highlights the importance of the legislative majority's behaviour in encouraging procedural compliance through the provision of informal mechanisms of consultation and compromise. The lack of such mechanisms also explains periods of parliamentary disorder in other countries.
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Потеров, Румен. "Bulgarian accordion folklore art: generations of performers, traditions and modern directions of development." Музыкальное искусство Евразии. Традиции и современность, no. 1(2) (February 25, 2021): 32–37. http://dx.doi.org/10.26176/maetam.2021.2.1.003.
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В статье рассматриваются вопросы трансформации фольклорного наследия в исполнительском искусстве болгарских аккордеонистов. Четыре поколения музыкантов определяют основные направления трансформации и модернизации фольклорного наследия. Первое поколение - основатели (1930 -1940 годы); второе - виртуозные преемники (1950 - 1960 годы); третье - свадебные импровизаторы (1970 - 1980 годы) и четвертое - экспериментаторы (с начала 1990-х годов). Выявлен вклад наиболее ярких представителей в каждом из поколений, характерные особенности их исполнительского стиля и их вклад в развитие болгарского народного исполнительского искусства: Бориса Карлова, Ибро Лолова, Нешко Нешева, Петра Ральчева и Мартина Любенова. Обозначены основные тенденции трансформации болгарского музыкально- фольклорного наследия и их исполнительского стиля, включение фольклора в различные транснациональные музыкальные течения после 1990-х годов The article is dedicated to the transformations of folklore in performing activity of Bulgarian accordeonists. In this direction the author have written four generations of accordeonists, which define the mainstream for the transformation and modernization of the folklore heritage. First direction - the founders classics (1930s and 1940s ); second generation - the virtuosos heirs (1950s and 1960s); third generation - “wedding virtuosos” (1960s and 1970s) and fourth generation - experimenters virtuosos (since the beginning of the 1990s). The contribution of the most prominent representatives of generations is clarified, features of their performance style and their contribution to the development of Bulgarian folk performing art - Boris Karlov, Ibro Lolov, Neshko Neshev, Petar Ralchev and Martin Lyubenov. The author pays attention to the main transformation features of Bulgarian folklore in their performance style and the inclusion of folklore in different transnational musical events at the beginning of the 1990s
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Vakhtin, Nikolai. "Two approaches to reversing language shift and the Soviet publication program for indigenous minorities." Études/Inuit/Studies 29, no. 1-2 (November 13, 2006): 131–47. http://dx.doi.org/10.7202/013936ar.
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AbstractThe present paper discusses the interplay between the Soviet state policy towards indigenous languages of "Northern Minorities" and the attitudes of the indigenous communities to their languages and to language endangerment. The author uses statistics on the Soviet state program of publishing books (primarily school books) in indigenous languages that was launched in the late 1920s and underwent considerable changes in the course of the decades to follow. It is argued that the publishing policy for all languages of indigenous minorities of the Far North followed the same consistent pattern that included several phases: "a glorious beginning" in the 1930s interrupted by the war, then a strong continuation in the 1950s, then a drop in the 1960-70s, and a resurrection in the 1980s, interrupted by the economic crisis of the early 1990s. The most interesting and the least clear period is the two and a half decades between mid-1950s and late 1970s where changes of the state policy may be connected with changes in community attitudes towards their native languages. A successful policy of language preservation and revitalization is possible only if it is supported simultaneously by the state and the indigenous community.
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Duan, J., L. Wang, L. Li, and Y. Sun. "Tree-ring-inferred glacier mass balance variation in southeastern Tibetan Plateau and its linkage with climate variability." Climate of the Past 9, no. 6 (November 4, 2013): 2451–58. http://dx.doi.org/10.5194/cp-9-2451-2013.
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Abstract. A large number of glaciers in the Tibetan Plateau (TP) have experienced wastage in recent decades. And the wastage is different from region to region, even from glacier to glacier. A better understanding of long-term glacier variations and their linkage with climate variability requires extending the presently observed records. Here we present the first tree-ring-based glacier mass balance (MB) reconstruction in the TP, performed at the Hailuogou Glacier in southeastern TP during 1868–2007. The reconstructed MB is characterized mainly by ablation over the past 140 yr, and typical melting periods occurred in 1910s–1920s, 1930s–1960s, 1970s–1980s, and the last 20 yr. After the 1900s, only a few short periods (i.e., 1920s–1930s, the 1960s and the late 1980s) were characterized by accumulation. These variations can be validated by the terminus retreat velocity of Hailuogou Glacier and the ice-core accumulation rate in Guliya and respond well to regional and Northern Hemisphere temperature anomaly. In addition, the reconstructed MB is significantly and negatively correlated with August–September all-India monsoon rainfall (AIR) (r1871-2008 = −0.342, p < 0.0001). These results suggest that temperature variability is the dominant factor for the long-term MB variation at the Hailuogou Glacier. Indian summer monsoon precipitation does not affect the MB variation, yet the significant negative correlation between the MB and the AIR implies the positive effect of summer heating of the TP on Indian summer monsoon precipitation.
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Duan, J., L. Wang, L. Li, and Y. Sun. "Tree-ring inferred glacier mass balance variation in southeastern Tibetan Plateau and its linkage with climate variability." Climate of the Past Discussions 9, no. 4 (July 2, 2013): 3663–80. http://dx.doi.org/10.5194/cpd-9-3663-2013.
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Abstract. A large number of glaciers in the Tibetan Plateau (TP) have experienced wastage in recent decades. And the wastage is different from region to region, even from glacier to glacier. A better understanding of long-term glacier variations and their linkage with climate variability requires extending the presently observed records. Here we present the first tree-ring-based glacier mass balance (MB) reconstruction in the TP, performed at the Hailuogou Glacier in southeastern TP during 1865–2007. The reconstructed MB is characterized mainly by ablation over the past 143 yr, and typical melting periods occurs in 1910s–1920s, 1930s–1960s, 1970s–1980s, and the last 20 yr. After the 1900s, only a few short periods (i.e., 1920s–1930s, the 1960s and the late 1980s) is characterized by accumulation. These variations can be validated by the terminus retreat velocity of the Hailuogou Glacier and the ice-core accumulation rate in Guliya and respond well to regional and Northern Hemisphere temperature anomaly. In addition, the reconstructed MB is significantly and negatively correlated with August-September all-Indian monsoon precipitation (AIR) (r1871–2008= −0.342, p < 0.0001). These results suggest that temperature variability is the dominant factor for the long-term MB variation at the Hailuogou Glacier. Indian summer monsoon precipitation doesn't affect the MB variation, yet the significant negative correlation between the MB and the AIR implies the positive effect of summer heating of the TP on Indian summer monsoon precipitation.
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Burda, Jan. "Dendrogeomorphological analysis of mass movement dynamics in the Jezeří Chateau area." Geografie 115, no. 4 (2010): 440–60. http://dx.doi.org/10.37040/geografie2010115040440.
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The object of this study is the dendrogeomorphological research of 35 severely tilted trees (Fagus sylvatica) in a natural hazard area around Jezeří Chateau in the Krušné Hory Mountains. The paper studies the dynamics of mass movement in a geologically and geomorphologically problematic area, where mining expanded high up onto the southeast-facing slopes of the Krušné Hory Mountains. Growth disturbances – eccentricities of annual rings and sudden growth changes – were examined and described for the period from 1900 to 2006. Significantly low mass movement “rates” can be observed during the 1940s and 1990s, high mass movement “rates” were identified during the first decade of the 1900s, the end of 1950s and during the 1970s.
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Gorobiy, Aleksey. "History of German Television as a Social, Cultural, and Discursive Phenomenon." Virtual Communication and Social Networks 2024, no. 1 (April 5, 2024): 15–22. http://dx.doi.org/10.21603/2782-4799-2024-3-1-15-22.
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Television is a global phenomenon with national peculiarities. This article introduces a chronological and comparative analysis of the development of television in West and East Germany. A systematic view of this phenomenon involves both technical and social aspects. From a technical innovation available to the privileged, it turned into a mass medium that performs an integrative function by shaping and broadcasting the current discourse. The research objective was to find out the specifics of television in Germany and correlate the global trends with the national context. The XX century erased the borders between such incompatible phenomena as dictatorship and democracy, and all these phenomena affected the content of TV shows, people’s attitude to television, its new genres, social functions, etc. The author revealed five stages in the development of German television. Stage I (late XIX century – 1945) was the age of technical discoveries, attempts at their practical implementation, and the early regular broadcasting during the period of National Socialism. Stage II (late 1940s – 1950s) marked the restoration of television broadcasting and the parallel development of television in the Federal Republic of Germany and the German Democratic Republic. Stage III (1960s –1970s) clarified the institutional framework and social functions of television. Stage IV (1980s – mid-1990s) saw the emergence of new broadcasting technologies and commercial TV channels, as well as the collapse of the Eastern bloc and the reunification of Germany. Stage V (since 1990s) is connected with digitalization.
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Law, Cheryl, and Magdala Peixoto Labre. "Cultural Standards of Attractiveness: A Thirty-Year Look at Changes in Male Images in Magazines." Journalism & Mass Communication Quarterly 79, no. 3 (September 2002): 697–711. http://dx.doi.org/10.1177/107769900207900310.
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This study examined images of male bodies in the popular magazines GQ, Rolling Stone, and Sports Illustrated, from 1967 to 1997. A sample of images was analyzed using an eight-point scale measuring levels of body fat and muscularity. Findings suggest that the male bodies featured in these magazines became more lean, muscular, and V-shaped (featuring a broad chest tapering to a narrow waist) over the years. Leanness and V-shape increased dramatically from the 1960s and 1970s to the 1980s, declining slightly in the 1990s. Muscularity increased progressively over the years, reaching its highest level in the 1990s.
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Rogatchevski, Andrei, and Jacek Szymala. "Svalbard in Polish Documentaries (1930s–2020s): A Conceptualized Inventory." Slavonic and East European Review 101, no. 4 (October 2023): 670–722. http://dx.doi.org/10.1353/see.2023.a923983.
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Abstract: This article presents the first catalogue and analysis of over fifty Polish documentaries about Svalbard, filmed during the ninety years of Polish presence on the archipelago. Four distinct periods of such documentary-making have beenidentified and characterized: the heroic (in the 1930s), the exotic (in the 1950s–1960s), the routine (in the 1970–1990s)and the ethical (1990s to the present). Common and specific trends for these periods have been detected and comparisons with other nations' films about Svalbard (predominantly Russian and Norwegian) are drawn, while possible future directions and topics for Polish film-making about Svalbard are considered.
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Greener, Ian. "“The Ghost of Health Services Past” Revisited: Comparing British Health Policy of the 1950s with the 1980s and 1990s." International Journal of Health Services 31, no. 3 (July 2001): 635–46. http://dx.doi.org/10.2190/a86c-ta6x-x47j-x1h8.
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It has been argued repeatedly that British health policy in the 1990s had a number of similarities with that of the 1930s. This article, while accepting that a comparison of these two periods may be useful, argues that comparing policy in the 1950s with that in the 1980s and 1990s is even more illuminating. To demonstrate this the author outlines first the similarities in policy between the early and later periods, then the differences, and the events that led to each. These comparisons suggest that there is evidence of path dependency in British health policy, and although the United Kingdom appeared to break away from the policy path for a short time in the late 1980s, the changes proposed then do not appear to have been as radical as first suggested. Many of the issues highlighted in the 1950s seem to remain unresolved today.
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Gill, Brian P., and Steven L. Schlossman. "A Nation at Rest: The American Way of Homework." Educational Evaluation and Policy Analysis 25, no. 3 (September 2003): 319–37. http://dx.doi.org/10.3102/01623737025003319.
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We use several national surveys to provide a 50-year perspective on time spent on homework. The great majority of American children at all grade levels now spend less than one hour studying on a typical day—an amount that has not changed substantially in at least 20 years. Moreover, high school students in the late 1940s and early 1950s studied no more than their counterparts did in the 1970s, 1980s, and 1990s. Changes in educational opinion on homework over the last half century have had little effect on student behavior, with only two notable exceptions: a temporary increase in homework time in the decade following Sputnik, and a new willingness in the last two decades to assign small amounts to primary-grade students.
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Wei, Yu Hang, De Shan Tang, and Zhen Zhu Meng. "Analysis on the Relation of Water Environment and Economic Development." Applied Mechanics and Materials 737 (March 2015): 941–44. http://dx.doi.org/10.4028/www.scientific.net/amm.737.941.
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The similarity in water environment variation course and economic development of the Taihu Lake riverbasin and Japan is analyzed and harnessing countermeasures are introduced. The close relation between economic development and water environment is analyzed. It is suggested that coordinated development policy of “Population-Resources-Environment-Economy” should be adopted. The research results demonstrate that water quality variation trend of the Taihu Lake riverbasin in the period of 1980s-the late 1990s was very similar the that of Japan in the period of 1960s-1980s, the rapid economic development of the Taihu Lake Riverbasin in the 1980s-1990s was similar to that of Japan rapid economic development period of 1960s.-1970s, the economic development level and water environment state of Japan in 1970 was very similar to that of the Taihu Lake Riverbasin in 1998,the economic development and water environment variation of the Taihu Lake riverbasin lags behind 20 plus years than that of Japan. We can infer the present and future situation of the Taihu Lake according to the history and present social-economic and water environment development situation of Japan.
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Tabarev, A. V. "Anangula before and after: to the 50th anniversary of Soviet-American archaeological expedi-tion on the Aleutian Islands." VESTNIK ARHEOLOGII, ANTROPOLOGII I ETNOGRAFII, no. 4(67) (December 15, 2024): 95–105. https://doi.org/10.20874/2071-0437-2024-67-4-7.
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The purpose of this work is to analyze the events in scientific life that preceded and followed the first Soviet-American archaeological expedition to the Aleutian Islands 50 years ago (1974) and the excavations of the Anangula Site, the materials of which date back to ca. 9,000 years ago. The used sources include various publications by Rus-sian and foreign authors, highlighting the key episodes of international dialogue and the stages of the formation of American studies in the Kunstkamera (St. Petersburg), the Institute of Ethnography (Moscow), and the Institute of History, Philology and Philosophy (Novosibirsk), as well as the information on the participation of Russian scientists, with reports, at major international forums, periodicals, and scientific chronicles, freely available archival data, and also records from family collections. The dynamics and forms of academic cooperation between Russian and North American archaeologists and ethnographers (exchanges of visits, conferences, exhibitions, joint projects, publications) are traced during different stages — in the 1900s–1930s, 1950s–1970s, 1980s, 1990s, and early 2000s. The initial period featured the interest of the American side in the study of materials from Siberia and Northeast Asia in the person of such specialists as A. Hrdlicka, F. Rainey, and W. Laughlin, and the late 1960s period — the institutional, structural, and thematic development of American studies in several scientific centers in Russia. The specifics of changes in the structure of financing, and the role of the grant system (Russian and foreign scientific foundations) since the 1990s are noted. As a result, a number of conclusions have been drawn about the regularity of the ap-pearance and implementation of the project on the Aleutian Islands, the role of Siberian researchers (A.P. Okladnikov, A.P. Derevianko, R.S. Vasilievsky) in the development of such areas as American studies and Pacific archaeology in science and education, the long-term effect of the “Anangula legacy” for the next generations of Russian and North American archaeologists, as well as about the current state of the research in the area.
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Thompson, Katherine F., and Elaine R. Homestead. "Middle School Organization through the 1970s, 1980s, and 1990s." Middle School Journal 35, no. 3 (January 2004): 56–60. http://dx.doi.org/10.1080/00940771.2004.11461433.
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Mohan, Avinash Lalith, and Kaushik Das. "History of surgery for the correction of spinal deformity." Neurosurgical Focus 14, no. 1 (January 2003): 1–5. http://dx.doi.org/10.3171/foc.2003.14.1.2.
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During the last century the technological advances in the field of spinal surgery had a dramatic impact on the treatment of spinal deformity in children and adults. Before the advent of medications and vaccines to treat and/or prevent tuberculosis and poliomyelitis, patients suffering from these disorders often became incapacitated by the resulting kyphoscoliosis. In the early 1900s Lange began to address this problem mechanically by using foreign materials to stabilize the spine internally. In the 1950s and 1960s, owing to the efforts of Harrington and others, the process evolved to create the first generation of modern spinal instrumentation. The Harrington rod was able to correct a spinal deformity primarily through distraction. In the next wave of advances, some of the shortcomings of Harrington rods were addressed. Segmental fixation involving sublaminar wires was introduced in the 1970s by Luque. Anterior approaches and instrumentation-related techniques developed by Zielke and colleagues as well as Dywer and coworkers in the late 1960s and mid-1970s allowed for better correction of deformity with immobilization of fewer motion segments compared with posterior surgery. Transpedicular fixation of the spine was popularized by Cotrel and Dubousset in the 1980s; they used the technique to perform segmental stabilization, which better reduces the rotational aspect of a deformity. Finally, in the mid-1990s, thoracoscopic techniques were developed and are currently in use for anterior release and placement of instrumentation. The authors review the major technical developments for the surgical treatment of spinal deformity.
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Yen, Gili, and Cheng-few Lee. "Efficient Market Hypothesis (EMH): Past, Present and Future." Review of Pacific Basin Financial Markets and Policies 11, no. 02 (June 2008): 305–29. http://dx.doi.org/10.1142/s0219091508001362.
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In this survey article, after delineating its historical origin of the Efficient Market Hypothesis (EMH), the authors summarize from the methodological perspective the empirical findings from 1960s through 1990s bearing on the EMH under the headings "supporting empirical findings as documented in 1960s", "mixed empirical findings as merged in the late 1970s through 1980s" and "challenging empirical findings as appeared in 1990s". The authors move on to sketch the ongoing debate in the 21st century based on empirical evidence available and then present an overall assessment of the EMH. Once necessary reservations and precautious interpretations are taken into consideration, the authors contend at the end of the article that the EMH is here to stay and will continue to play an important role in modern finance for years to come.
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Rudenko, K. A. "Archaeological research at Kazan University in the context of Western European and North American archaeology." Uchenye Zapiski Kazanskogo Universiteta Seriya Gumanitarnye Nauki 166, no. 4 (November 28, 2024): 77–93. https://doi.org/10.26907/2541-7738.2024.4.77-93.
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This article summarizes the history of archaeological research at Kazan University, from its establishment in 1804 to the present day. The first important milestone was in the 19th century when amateur collecting of artifacts and coins by the university professors in the early 1800s was replaced by professional archaeology, with the Society of Archaeology, History, and Ethnography founded in 1878 at Kazan University. The society published its own journal to raise awareness and foster curiosity, both locally and internationally, about archaeological discoveries in the Kazan Governorate and the surrounding territories. From the late 19th to the early 20th century, a fruitful cooperation developed between Russian archaeologists and Finnish scholars, which lasted until the 1930s and centered in their mutual interests revolving around the Ananyino culture and the origins of the Finno-Ugric peoples. In the aftermath of World War II, the university archaeological team took part in many projects: exploratory surveys for the construction of the Kuybyshev Hydroelectric Station (late 1940s–early 1950s), excavations of the early Bulgarian burials and proto-Bulgarian sites (1950s–early 1960s), unearthing of the Bilär settlement (late 1960s–1980s), fieldwork at the ancient Hungarian Bolshie Tigany burial and in Kazan (1974–1978). In the 1960s–1980s, foreign collaborations were limited to socialist countries (Bulgaria, Hungary), which kept the focus of their scholarly attention on the eastern regions. However, the intensive contacts with Finnish archaeologists continued. Starting from the 1990s–2000s, the results of archaeological research in Tatarstan finally became accessible to Western European and US scholars, who then relied on them to navigate their studies on the history of Islam and Islamization in Europe, sedentarization of nomads, and medieval trade. Now, the archaeology at Kazan University has advanced to a new stage by covering a much broader geographical scope and incorporating the latest technology into archaeological practices.
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Bergh, Bruce G. Vanden, Nora J. Rifon, and Molly Catherine Ziske. "What's Bad in an Ad: Thirty Years of Opinion from Ad Age's “Ads-We-Can-Do-Without” Letters." Journalism & Mass Communication Quarterly 72, no. 4 (December 1995): 948–59. http://dx.doi.org/10.1177/107769909507200417.
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Advertising practitioners' criticism of ad content was studied through the lens of Advertising Age's ads-we-can-do-without letters for a thirty-year period from 1962 to 1992. A content analysis of 404 complaint letters and accompanying ads found significant changes in practitioner criticism as we movefrom the 1960s to the 1970s. The 1960s produced significantly more complaints about executional errors while the 1970s was a time of heightened concern about the negative social impact of sex, violence, and vulgarity in ads. Concern about sexually- related content and vulgarity continued through the 1980s but appeared to drop off significantly in the 1990s.
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Romer, Christina D., and David H. Romer. "Choosing the Federal Reserve Chair: Lessons from History." Journal of Economic Perspectives 18, no. 1 (February 1, 2004): 129–62. http://dx.doi.org/10.1257/089533004773563476.
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This paper demonstrates that the key determinants of policy success have been policymakers' views about how the economy works and what monetary policy can accomplish. In the first major section of the paper, the authors analyze the narrative record of the Federal Reserve to discover what policymakers believed and why they chose the policies they did. The authors find that the well-tempered monetary policies of the 1950s and of the 1980s and 1990s stemmed from a conviction that inflation has high costs and few benefits, together with realistic views about the sustainable level of unemployment and the determinants of inflation. In contrast, the profligate policies of the late 1960s and 1970s stemmed initially from a belief in a permanent tradeoff between inflation and unemployment, and later from a natural rate framework with a highly optimistic estimate of the natural rate of unemployment and a highly pessimistic estimate of the sensitivity of inflation to economic slack. And the deflationary policies of the late 1930s stemmed from a belief that the economy could overheat at low levels of capacity utilization and that monetary ease could do little to stimulate a depressed economy.
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O'Connor, Barbara. "Ruin and Romance: Heterosexual Discourses on Irish Popular Dance, 1920–1960." Irish Journal of Sociology 12, no. 2 (November 2003): 50–67. http://dx.doi.org/10.1177/079160350301200204.
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This article examines the ways in which dance embodies and expresses sexual discourses through an exploration of popular recreational dance in Ireland from 1920 to 1960 with particular emphasis on women. The author looks at the antipathy to ‘modern’ dancing by the State, Church and cultural groups during the 1920s and 1930s. This era was distinguished by a sexual discourse of ruin and sin and was part of the project of creating an ideal nation. It is argued that this period was followed by a more positive, though not unproblematic, discourse of romance from the 1940s onwards, which was associated with increasing consumption and urbanisation. In the concluding section differences and similarities between the two eras are suggested and brief comparison is made with sexual discourses of dance in the 1980s and 1990s.
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Notkola, Veijo, Harri Siiskonen, and Riikka Shemeikka. "The Causes of Changes in Fertility in Northern Namibia." Finnish Yearbook of Population Research 51 (April 27, 2017): 23–40. http://dx.doi.org/10.23979/fypr.60262.
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The main aim of this study was to analyse fertility change in Ovamboland (North-Central Namibia) (1927–2010) and the Kavango region (North-East Namibia) (1935–1979) in Northern Namibia. According to the results, the fertility change was quite similar in both areas: fertility declined during the 1950s compared to the preceding period, 1935–1949. We can assume that the main reason for this early fertility decline was changes in the number of migrant workers (out-migration), which caused changes in both the marriage age and birth intervals. In both Ovamboland and in the Kavango region, fertility increased from the late 1950s into the early 1960s and the fertility transition started at the end of the 1970s. In both areas, the increase in fertility during thelate 1950s and early 1960s was probably due to the improved health situation. Fertility transition started at the end of the 1970s, but mortality had already started to decline before that. The main causes of this declining fertility at the end of the 1970s and during the 1980s were improved access to modern methods of contraception and probably also the increased level of education. As a result of the HIV epidemic, mortality increased in Ovamboland at the end of the 1990s and early 2000s. The declining fertility in the same period was probably linked to this increased mortality due to AIDS, while the increased fertility after 2008 is, in turn, probably linked to management of the HIV epidemic.
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VERNENGO, MATÍAS. "From restrained golden age to creeping platinum age: A periodization of Latin American development in the Robinsonian tradition." Revista de Economia Política 35, no. 4 (December 2015): 683–707. http://dx.doi.org/10.1590/0101-31572015v35n04a01.
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ABSTRACTThis paper analyzes Joan Robinson's growth model, and then adapted in order to provide an exploratory taxonomy of Growth Eras. The Growth Eras or Ages were for Robinson a way to provide logical connections among output growth, capital accumulation, the degree of thriftiness, the real wage and illustrate a catalogue of growth possibilities. This modified taxonomy follows the spirit of Robinson's work, but it takes different theoretical approaches, which imply that some of her classifications do not fit perfectly the ones here suggested. Latin America has moved from a Golden Age in the 1950s and 1960s, to a Leaden Age in the 1980s, having two traverse periods, one in which the process of growth and industrialization accelerated in the late 1960s and early 1970s, which is here referred to as a Galloping Platinum Age, and one in which a process of deindustrialization, and reprimarization and maquilization of the productive structure took place, starting in the 1990s, which could be referred to as a Creeping Platinum Age.
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Nam, Duck-Hyun. "Historical exploration of the Korean special school physical education and the disability sports environment." Korean Journal of Sport Science 31, no. 2 (June 30, 2020): 318–29. http://dx.doi.org/10.24985/kjss.2020.31.2.318.
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Purpose This study examines the Physical Education curriculum history of special schools, and then in-depth grasps the process of how the sports environment for the disabled has changed by age. Method The research method was literature review analyzing papers, reports and newspapers. For the concrete process, this study verified the relationship between the research subject and the collected data through experts and historians with disabilities to verify the sports data for the disabled. Results First, the process of physical education management of special schools is as follows. in the 1940's and 50's special schools, physical education was carried out simply by gymnastics. but, special schools were differentiated by the characteristics of the disabled, and the institutional foundation for physical education was also imitated by the 1960s, 1970s and 1980s, special schools were shortened in physical education time due to the increase in the number of courses and the strengthening of disability coping programs. in the 1990s, as special sports curriculum was established, customized prescription for students with disabilities was implemented. Second, the process of changing disability sports is as follows. In the 1960s and 1970s, disability sports were mainly focused on special schools, while in the 1980s, disability sports were expanded by the government. in particular, the hosting of the 88 Seoul Olympics and Seoul Paralympics provides an opportunity to equip the disabled with a system, organization and facilities. in the 1990s disability sports was meaningful in terms of academic progress, and with the quantitative growth of the 1980s and the academic foundations of the 1990s, disability sports in the 2000s provided a legal basis and improved welfare conditions for the disabled. In the future, it is necessary to find a way to solve the value of physical education for the disabled more reasonably.
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KONG, Hyejung Grace. "The Historical Context of the Emergence of Health Systems Science (HSS): Changes in the U.S. Healthcare System and Medical Education from the 1910s to the 2010s." Korean Journal of Medical History 32, no. 2 (August 31, 2023): 623–59. http://dx.doi.org/10.13081/kjmh.2023.32.623.
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This study traces the historical process of the emergence of Health Systems Science (HSS) over one hundred years from the 1910s to the 2010s. HSS is a discipline introduced in American medical education as a “third pillar” in addition to basic medical science and clinical medical science. HSS comprises seven core functional domains and four foundational domains, all surrounded by ‘system thinking.’ According to statistics from 2019 to 2020, 129 universities, or 83.2% of all allopathic and osteopathic medical schools taught HSS before medical clerkship. Additionally, 108 universities, or 69.7% of all medical schools taught HSS during medical clerkship.</br>Although the Progressives in the 1910s sparked discussions about reforming the U.S. national health care system, the National Health Insurance (NHI) debate did not make significant progress from the 1920s through World War II. Efforts to reform the healthcare system gained momentum again in the 1960s. In 1965, a social health insurance program for the elderly called “Medicare” was enacted by revamping the existing social security program. Around the same time, “Medicaid” was also implemented as government-funded health insurance program, distinguishing it from Medicare—a mix of social insurance and government assistance. During the Clinton presidency in the 1990s, political efforts to achieve the NHI by enacting the Health Security Act eventually failed. Almost twenty years later, President Barrack Obama passed the Patient Protection and Affordable Care Act, or ObamaCare, in March 2010. The primary objectives of ObamaCare were to increase the number of insured Americans and reduce health care costs. Post-ObamaCare reforms to the healthcare payment system and changes to the healthcare delivery system have prompted a transformation of the healthcare landscape. The healthcare industry has been pursuing the “triple aim”: improving patient experience and population health while reducing costs. To achieve these goals, exposure to a systems-based healthcare environment was necessary.</br>From the 1910s to the 1960s, the model of the ideal physician was the “sovereign physician,” who could perform all tasks unilaterally. During this time, doctors were autonomous, independent, and authoritative, and in control of all medical activities. This model was very useful until the mid-twentieth century, when there were many acute illnesses, mainly infectious diseases. Abraham Flexner’s 1910 report eventually accelerated the formation of a medical education system based on the two pillars of “basic science—clinical science.” During the periods of the 1920s and 1940s, medical education underwent a process of professionalization, standardization, and systematization. World War II did not result in significant changes in medical education. The United States, however, was transforming into a very different society from the prewar period for physicians and Americans. The “New Deal” and World War II led to an expanded role of the federal and state governments in the post-war years. The demand for healthcare was also growing, and the right to healthcare was seen as a fundamental right of all citizens.</br>In the 1960s and 1970s, the current U.S. medical education system was established. Four years of medical school, an internship, and a residency before taking the board examination became the institutional requirements. In the 1980s and 1990s, ‘managed care,’ represented by Healthcare Maintenance Organizations (HMOs) and Preferred Provider Organizations (PPOs), placed strong controls on both doctors and hospitals (academic healthcare centers). Under the managed care system, academic healthcare centers financially struggled. Moreover, the learning environment on the wards was eroded by shorter patient stays and increased outpatient visits.</br>Since the late 1990s, many medical education organizations, including the Council on Graduate Medical Education (COGME), have called for dramatic reforms to the knowledge and skills of physician education to restore a sustainable U.S. healthcare system. Since 2000, the basic framework of HSS, such as patient safety and value-based healthcare, has been developed. In summary, U.S. healthcare reform efforts since the 1960s—including the expansion of health insurance, managed care and managed competition, and ObamaCare—have led to changes in medical education.
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Diallo, Souleymane, and Anders Jensen Knudby. "Spatial and Temporal Variability of Rainfall in South-central Senegal: Example of the Fatick and Kaolack Regions." International Journal of Environment and Climate Change 13, no. 11 (October 13, 2023): 784–97. http://dx.doi.org/10.9734/ijecc/2023/v13i113227.
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One of the manifestations of climate change in the Sahel is a decrease in rainfall, which has led to a sharp decline in water potential in the south-central Senegal. The objective of this study is to understand the changes in rainfall through time and space, in the south-central Senegal (Fatick and Kaolack regions), to better plan water management for sustainable development. The rainfall data used ranges from 1961 to 2020 for the sites of Gossas, Foundiougne, Guinguineo and Nioro, and from 1951 to 2020 for the sites of Fatick and Kaolack. Pettitt and Buishand break tests were used to detect changes in rainfall patterns, Hubert segmentation was used to highlight sub-periods within the time series, and Standardized Precipitation Indices (SPI) were used to highlight deficits and surpluses. The results of break tests and Hubert segmentation show a decrease in average rainfall between the 1960s and 1970s, and an increase between the 1990s and 2000s, for some of the sites. The decrease in the 1960s and 1970s was early in sites in the Fatick region (Gossas, Fatick and Foundiougne) and late or absent in the Kaolack region (Guinguineo, Kaolack and Nioro). As for the increase in the 1990s and 2000s, it was first observed in the south and center of the study area in the 1990s (Nioro and Kaolack). In the 2000s, the increase was observed further north (Fatick and Gossas). The Standardized Precipitation Index shows reduced rainfall for 1971-2000 compared to the surrounding periods. Coefficient of variation values show that dispersion is lowest in the wetter years 1950 for two sites (Fatick and Kaolack), 1990 and 2000 for four sites (Gossas, Foundiougne, Guinguineo and Nioro). The highest coefficients of variation were detected in the drought years 1960, 1970 and 1980 for these four sites (Gossas, Foundiougne, Guinguineo and Nioro). This is not the case at the Fatick site, where the coefficients of variation for the 1970s, 1980s and 1990s are higher than those for 2000 and 2010. Coefficients of variation increase in the 2010s at five sites (Kaolack, Gossas, Foundiougne, Guinguineo and Nioro). The highest coefficients of variation were recorded in 2010 in Gossas, Guinguineo and Nioro. The decrease in average rainfall from the 1960s to the 1990s, and the increase in the 1990s and 2000s detected in most of the study sites, corroborates results of other studies from West and Central Africa.
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Adom Getachew Talks to Ashish Ghadiali. "World makers of the Black Atlantic." Soundings 75, no. 75 (September 1, 2020): 180–98. http://dx.doi.org/10.3898/soun.75.11.2020.
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In Worldmaking After Empire, Adom Getachew challenges standard histories of decolonisation, which chart the story of a simple shift from empire to independent nationhood. She shows that supporters of decolonisation have always sought to create something much more than nationalisms: they have engaged in a dynamic and rival system of revolutionary worldmaking, seeking an alternative international system that could replace the old inequitable dispensation. She charts this decolonial project from its roots in the works of Black Atlantic thinkers like W.E.B. Du Bois and C.L.R. James in the 1920s and 1930s. The key events she tracks are the challenges the project faced in the United Nations in the 1940s and 1950s; attempts at regional federation in late 1950s and 1960s; and the emergence of the New International Economic Order in the 1960s and 1970s. This a twentieth century tradition now ripe to be reclaimed and revived.
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Njenga, F. G., P. Kigamwa, and M. Okonji. "Africa: the traumatised continent, a continent with hope." International Psychiatry 1, no. 1 (July 2003): 4–7. http://dx.doi.org/10.1192/s1749367600007608.
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Many African countries gained political independence in the 1960s and 1970s and went through difficult times in economic, political and security terms in the 1980s and early 1990s. Mental health services and research were not spared and stagnated or deteriorated during this period. The effects of poor governance, inequitable distribution of resources and environmental degradation conspired with natural and man-made disasters (wars in particular) to drive Africa into an abyss of despair.
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Hijazi, Ziyad M., and Damien Kenny. "Landmark lecture on interventional cardiology: interventional cardiac catheterisation for CHD: the past, present, and the future." Cardiology in the Young 27, no. 10 (December 2017): 1974–85. http://dx.doi.org/10.1017/s1047951117002141.
Full textAbstract:
AbstractCHD affects millions of patients worldwide. Interventional therapies for CHD goes back to the mid-1960s when Bill Rashkind performed balloon atrial septostomy on a cyanotic baby with transposition of the great vessels. This was followed by development of balloon catheters to perform balloon valvuloplasties and angioplasties in the early to late 1980s. Although King and Mills performed the first transcatheter closure of secundum atrial septal defect in the mid-1970s, this procedure was better realised in the mid-1990s. More intracardiac defect closures were performed in the late 1990s and early 2000. This brings us to the current era of percutaneous valve implantation as developed by Bonhoeffer. In this paper, we will discuss the past, present, and future of interventional cardiac catheterisation for CHD patients.
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Ros, Ruben. "Plastic Politics." BMGN - Low Countries Historical Review 140, no. 1 (April 8, 2025): 4–37. https://doi.org/10.51769/bmgn-lchr.18731.
Full textAbstract:
This article investigates politicisation and depoliticisation in post-war Dutch democracy by analysing debates in the Dutch House of Representatives between 1945 and 1994. While examining the language of Dutch parliamentarians, it uses theories of conceptual history and computational text analysis to study ‘conducive abstraction’ and ‘plastification’ as forms of, respectively, conceptual politicisation and depoliticisation. I model these processes to show how individual terms politicise or depoliticise, and how conceptual politicisation and depoliticisation unfold, accelerate and decelerate over time. As such, I show that studying the changing form of ‘the political’ can be done at scale. In doing so, I provide a richer account of politicisation and depoliticisation in post-war Dutch politics, one that has often been presented as a sequence of pacified depoliticisation in the 1950s, progressive politicisation in the 1960s and 1970s and neoliberal depoliticisation in the 1980s and 1990s.
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Rigney, James, Amanda Pate, and Tara Ferland. "“Those Who Do Not Learn from History…”: Contemporary Implications from the History of Teacher Inquiry." Florida Journal of Educational Research 57, no. 2 (November 25, 2019): 122–32. https://doi.org/10.62798/qbvd5003.
Full textAbstract:
Over the preceding century, interest in teacher inquiry has ebbed and flowed, yet the teacher inquiry movement presents consistent themes that remain relevant to contemporary teachers, teacher educators, and scholars. This historical overview of teacher inquiry surfaces implications for practitioners today. It is presented in three eras: the recognition of the teacher as inquirer in the 1930s–1950s, the implications of the Civil Rights movement and the quest for excellence in the 1960s–1980s, and the resurgence of teacher inquiry in the “messy” 1990s and 2000s. The very earliest era of teacher inquiry demonstrates the importance of teacher autonomy and administrative support. The second era points to the place of inquiry in promoting social equity and excellence in education. The final era foregrounds the nonlinear nature of the inquiry process and the importance of collaboration among teacher inquirers.