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Статті в журналах з теми "Group Competition"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Markovich, Sarit, and Yaron Yehezkel. "Group Hug: Platform Competition with User Groups." American Economic Journal: Microeconomics 14, no. 2 (2022): 139–75. http://dx.doi.org/10.1257/mic.20190372.

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We consider platform competition for small users and a user group. One platform enjoys a quality advantage and the other benefits from favorable beliefs. We study whether the group mitigates the users’ coordination problem—i.e., joining a low-quality platform because they believe that other users would do the same. We find that a group that can facilitate coordination on the high-quality platform may choose to maintain the dominance of the low-quality one. Users’ utility is non-monotonic in the proportion of the group. Finally, we highlight factors that motivate the group to help the high-qual

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2

Markovich, Sarit, and Yaron Yehezkel. "Group Hug: Platform Competition with User Groups." American Economic Journal: Microeconomics 14, no. 2 (2022): 139–75. http://dx.doi.org/10.1257/mic.20190372.

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Анотація:

We consider platform competition for small users and a user group. One platform enjoys a quality advantage and the other benefits from favorable beliefs. We study whether the group mitigates the users’ coordination problem—i.e., joining a low-quality platform because they believe that other users would do the same. We find that a group that can facilitate coordination on the high-quality platform may choose to maintain the dominance of the low-quality one. Users’ utility is non-monotonic in the proportion of the group. Finally, we highlight factors that motivate the group to help the high-qual

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3

Domberg, Andreas, Michael Tomasello, and Bahar Köymen. "Collaborative reasoning in the context of group competition." PLOS ONE 16, no. 2 (2021): e0246589. http://dx.doi.org/10.1371/journal.pone.0246589.

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A key skill in collaborative problem-solving is to communicate and evaluate reasons for proposals to arrive at the decision benefiting all group members. Although it is well-documented that collaborative contexts facilitate young children’s reasoning, less is known about whether competition with other groups contributes to children’s collaborative reasoning. We investigated whether between-group competition facilitates children’s within-group collaborative reasoning, regarding their production of reasons and their use oftransacts, communicative acts that operate on one another’s proposals and

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4

Katz, Eliakim, and Julia Tokatlidu. "Group competition for rents." European Journal of Political Economy 12, no. 4 (1996): 599–607. http://dx.doi.org/10.1016/s0176-2680(96)00027-4.

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5

Kawasaki, Akio, Takao Ohkawa, and Makoto Okamura. "Inter-group competition through joint marketing efforts and intra-group Cournot competition." Journal of Economics 128, no. 3 (2019): 203–24. http://dx.doi.org/10.1007/s00712-019-00654-y.

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6

Liu, Yu-Jiao, Ying-Ge Zhou, Qi-Long Li, and Xin-Dong Ye. "Impact Study of the Learning Effects and Motivation of Competitive Modes in Gamified Learning." Sustainability 14, no. 11 (2022): 6626. http://dx.doi.org/10.3390/su14116626.

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At a time when game-based learning has become a research hotspot, this study focused on the competition mechanism in gamified learning, aiming to explore the impact of different competition modes on students’ vocabulary learning effect and learning motivation. A group of 79 sixth grade students from China were randomly assigned to a non-competitive class, an individual competition class, and an inter-group competition class. The experiment was conducted in an English vocabulary course, and the game competition was carried out using the Quizlet Live game platform. The results indicated that: (1

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7

ZEMEL, AMOS, and YAEL LUBIN. "Inter-group competition and stable group sizes." Animal Behaviour 50, no. 2 (1995): 485–88. http://dx.doi.org/10.1006/anbe.1995.0262.

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8

Smith, Alastair, Bruce Bueno de Mesquita, and Tom LaGatta. "Group incentives and rational voting." Journal of Theoretical Politics 29, no. 2 (2016): 299–326. http://dx.doi.org/10.1177/0951629816630439.

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Our model describes competition between groups driven by the choices of self-interested voters within groups. Within a Poisson voting environment, parties observe aggregate support from groups and can allocate prizes or punishments to them. In a tournament style analysis, the model characterizes how contingent allocation of prizes based on relative levels of support affects equilibrium voting behavior. In addition to standard notions of pivotality, voters influence the distribution of prizes across groups. Such prize pivotality supports positive voter turnout even in non-competitive electoral

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9

Оleshko, Valentin, Оleksiy Тоrokhtiy, Sеrgii Putsov, et al. "TRENDS IN THE COMPETITIVE PERFORMANCE OF THE WORLD’S STRONGEST WEIGHTLIFTERS BEFORE THE XXXIII OLYMPIC GAMES IN PARIS." Scientific Journal of National Pedagogical Dragomanov University Series 15 Scientific and pedagogical problems of physical culture (physical culture and sports), no. 7(180) (July 25, 2024): 246–56. http://dx.doi.org/10.31392/udu-nc.series15.2024.7(180).49.

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Background and Study Aim. The article aims to study the trends in the competitive performance of the world’s strongest weightlifters at the 2023 World Championship and to reveal the prospects for their further entry into the XXXIII Olympic Games in Paris. Material and Methods. We analyzed the achievements of 200 weightlifters who participated in the 2023 World Championship and the number of countries they represented by studying the scientific literature, Internet resources, score sheets, pedagogical observations, and video recordings of competitions. All indicators of competitive performance

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10

Bauer, Klemen, Janez Pustovrh, Bojan Jošt, and Janez Vodičar. "THE STRUCTURE OF A BIATHLON SPRINT COMPETITION." Kinesiologia Slovenica 25, no. 3 (2020): 42–55. http://dx.doi.org/10.52165/kinsi.25.3.42-55.

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A biathlon sprint competition event consists of a number of segments (variables), i.e. cross country skiing time, range time, so-called time difference (also consisting the time of penalty loops), and shooting performance. In the research part, the study analyzed the interrelations of these variables and their correlations with competitive performance at the Biathlon World Championship sprint competition. Regression analysis showed that total cross country skiing time is the most important determinant of competitive performance (74%). Total shooting performance prone and standing explains for

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11

Lu, Kelong, Hua Xue, Takayuki Nozawa, and Ning Hao. "Cooperation Makes a Group be More Creative." Cerebral Cortex 29, no. 8 (2018): 3457–70. http://dx.doi.org/10.1093/cercor/bhy215.

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Abstract This study investigated how cooperative and competitive interaction modes affect the group creative performance. The participants were recruited as dyads to solve 2 problems either demanding divergent thinking (alternative uses task, AUT) or not (object characteristic task, OCT). The dyads solved 1 of the 2 problems in the cooperative mode and the other in the competitive mode. Functional near-infrared spectroscopy (fNIRS)-based hyperscanning was used to record their neural activities in the prefrontal and right temporal–parietal junction (r-TPJ) regions. Results revealed the dyads sh

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12

Lopuha, Hanna, Yuliia Mykhailenko, and Valeriia Reshetylova. "Characteristics of a Competitive Microcycle in Pair-Group Acrobatics at Different Stages of Long-Term Preparation." Bulletin of Luhansk Taras Shevchenko National University 2, no. 2 (340) (2021): 192–205. http://dx.doi.org/10.12958/2227-2844-2021-2(340)-2-192-205.

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The purpose: to study the indicators of loads of competitive microcycles at all stages of long-term preparation in pair-group acrobatics, determination of the average data of the main parameters of the load of a 4-week competitive microcycle (MCC) of highly qualified acrobats. Material: the structure of the competitive microcycle by the types of pair-group acrobatics at all stages of long-term preparation, the average data of the main parameters of the load of the 4-week competitive MCC of highly qualified women's and men's pairs. Results: The results of average indicators of competitive loads

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13

Dru, Vincent. "Contexte d’identification nationale et compétition sportive : étude archivale." STAPS 20, no. 48 (1999): 95–100. http://dx.doi.org/10.3406/staps.1999.1126.

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National identification and sport competition : an archival study The goal of this paper was to study, within sport area, the relationships between national identification and competitive behaviors. Social identity theory stated that social competition and intolerance toward the out-group can be used to deal with an insecure identity. The organization of tennis competitions with/without national risk (Davis Cup/individual competition) allowed to test the effect of a national identification context and league standing, as a threat to social identity, on competitive behaviors. An archival method

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14

Geyntse, O. V. "Group Crime Mediation and Group Mediation." Rossijskoe pravosudie 4 (March 25, 2021): 80–86. http://dx.doi.org/10.37399/issn2072-909x.2021.4.80-86.

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The article deals with the qualification of criminal mediation in a group crime and group mediation, including when exerting an unlawful influence on the results of an officially sports competition or spectacular commercial competition. The problems of legal assessment of a mediator providing services to participants in a group crime are identified. Options for improving legislation are proposed.

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15

Hausken, Kjell. "Cooperation and between-group competition." Journal of Economic Behavior & Organization 42, no. 3 (2000): 417–25. http://dx.doi.org/10.1016/s0167-2681(00)00093-7.

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16

Pethig, Rüdiger. "Microfoundations of pressure group competition." European Journal of Political Economy 4, no. 2 (1988): 263–83. http://dx.doi.org/10.1016/0176-2680(88)90004-3.

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17

Hall, Mark. "The Competitive Impact of Small Group Health Insurance Reform Laws." University of Michigan Journal of Law Reform, no. 32.4 (2025): 685. https://doi.org/10.36646/mjlr.32.4.competitive.

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This Article reports on findings from an extensive study of small group health insurance market reforms in seven states, enacted during the early 1990s. After summarizing the content and purpose of these reforms, this evaluation focuses on the impact these reforms have had on the nature and degree of market competition. The principal findings are: (1) small group health insurance markets are highly competitive, both in price and in product innovation and diversity; (2) although some insurers have left some or all of these states in part because of these reforms, an ample number of active compe

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18

González-García, Higinio, Guillaume Martinent, and Michel Nicolas. "Relationships between coach's leadership, group cohesion, affective states, sport satisfaction and goal attainment in competitive settings." International Journal of Sports Science & Coaching 17, no. 2 (2021): 244–53. http://dx.doi.org/10.1177/17479541211053229.

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We examined whether a perceived coach's leadership predicted group cohesion and whether group cohesion predicted intensity and direction of positive affect and negative affect experienced during competition, sport satisfaction and goal attainment following the completion of a sports competition. A sample of 296 competitive athletes (M age = 21.61; standard deviation = 6.32) participated in the study and completed a series of self-report questionnaires assessing the aforementioned constructs. A partial least square path modelling approach was used to examine the relationships between the study

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19

Simenko, Jozef. "Youth Judokas Competing in Higher Age Groups Leads to a Short-Term Success." Children 9, no. 11 (2022): 1737. http://dx.doi.org/10.3390/children9111737.

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Coaches of youth judo athletes might be under the influence of some extraordinary elite judo athletes that have won elite competitions at a relatively young age and might put youth athletes under pressure to gain as much fighting experience as fast as possible. The present study aims to present a 5-year competition structure, volume and age competition categories (ACC) range in which youth judokas competed with 10-year dropout status. Data from 46 judokas were collected (M = 24; F = 22) for four categorisation classes (National-NC; Perspective-PC; International-IC; World class-WC). Competitive

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20

Barker, Jessica L., Pat Barclay, and H. Kern Reeve. "Within-group competition reduces cooperation and payoffs in human groups." Behavioral Ecology 23, no. 4 (2012): 735–41. http://dx.doi.org/10.1093/beheco/ars020.

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21

Liu, Shi S., Michael W. Morris, Thomas Talhelm, and Qian Yang. "Ingroup vigilance in collectivistic cultures." Proceedings of the National Academy of Sciences 116, no. 29 (2019): 14538–46. http://dx.doi.org/10.1073/pnas.1817588116.

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Collectivistic cultures have been characterized as having harmonious, cooperative ingroup relationships. However, we find evidence that people in collectivistic cultures are more vigilant toward ingroup members, mindful of their possible unethical intentions. Study 1 found that Chinese participants were more vigilant than Americans in within-group competitions, anticipating more unethical behaviors from their peers. Study 2 replicated this finding by comparing areas within China, finding that people from China’s collectivistic rice-farming regions exhibit greater ingroup vigilance than people

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22

Francois, Patrick, Thomas Fujiwara, and Tanguy van Ypersele. "The origins of human prosociality: Cultural group selection in the workplace and the laboratory." Science Advances 4, no. 9 (2018): eaat2201. http://dx.doi.org/10.1126/sciadv.aat2201.

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Human prosociality toward nonkin is ubiquitous and almost unique in the animal kingdom. It remains poorly understood, although a proliferation of theories has arisen to explain it. We present evidence from survey data and laboratory treatment of experimental subjects that is consistent with a set of theories based on group-level selection of cultural norms favoring prosociality. In particular, increases in competition increase trust levels of individuals who (i) work in firms facing more competition, (ii) live in states where competition increases, (iii) move to more competitive industries, an

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23

Moore, Lee J., Mark R. Wilson, Samuel J. Vine, Adam H. Coussens, and Paul Freeman. "Champ or Chump?: Challenge and Threat States During Pressurized Competition." Journal of Sport and Exercise Psychology 35, no. 6 (2013): 551–62. http://dx.doi.org/10.1123/jsep.35.6.551.

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The present research examined the immediate impact of challenge and threat states on golf performance in both real competition and a laboratory-based task. In Study 1, 199 experienced golfers reported their evaluations of competition demands and personal coping resources before a golf competition. Evaluating the competition as a challenge (i.e., sufficient resources to cope with demands) was associated with superior performance. In Study 2, 60 experienced golfers randomly received challenge or threat manipulation instructions and then performed a competitive golf-putting task. Challenge and th

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24

Hakim, Lukman Nul, Guritnaningsih A. Santoso, Bagus Takwin, Yos Sunitiyoso, and Juneman Abraham. "Group decision quality, conscientiousness and competition." Cogent Psychology 8, no. 1 (2021): 1872907. http://dx.doi.org/10.1080/23311908.2021.1872907.

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25

Samson, Frank L. "Perceived Group Competition and Charitable Giving." Nonprofit and Voluntary Sector Quarterly 45, no. 5 (2016): 1031–51. http://dx.doi.org/10.1177/0899764015619702.

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26

Rebers, Susanne, and Ruud Koopmans. "Altruistic Punishment and Between-Group Competition." Human Nature 23, no. 2 (2012): 173–90. http://dx.doi.org/10.1007/s12110-012-9136-x.

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27

Wright, A. J. "Individual and group selection with competition." Theoretical and Applied Genetics 72, no. 2 (1986): 256–63. http://dx.doi.org/10.1007/bf00267001.

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28

Bakó, Barna, and Dániel Fátay. "Platform Competition with Intra-Group Externalities." Journal of Industry, Competition and Trade 19, no. 1 (2018): 141–54. http://dx.doi.org/10.1007/s10842-018-0282-7.

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29

Ramsland, Katherine. "Teaching Critical Reasoning Through Group Competition." Teaching Philosophy 9, no. 4 (1986): 319–26. http://dx.doi.org/10.5840/teachphil19869452.

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30

Holyoke, Thomas T. "Interest Group Competition and Coalition Formation." American Journal of Political Science 53, no. 2 (2009): 360–75. http://dx.doi.org/10.1111/j.1540-5907.2009.00375.x.

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31

Puurtinen, Mikael, and Tapio Mappes. "Between-group competition and human cooperation." Proceedings of the Royal Society B: Biological Sciences 276, no. 1655 (2008): 355–60. http://dx.doi.org/10.1098/rspb.2008.1060.

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A distinctive feature of human behaviour is the widespread occurrence of cooperation among unrelated individuals. Explaining the maintenance of costly within-group cooperation is a challenge because the incentive to free ride on the efforts of other group members is expected to lead to decay of cooperation. However, the costs of cooperation can be diminished or overcome when there is competition at a higher level of organizational hierarchy. Here we show that competition between groups resolves the paradigmatic ‘public goods’ social dilemma and increases within-group cooperation and overall pr

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32

Nockur, Laila, and Stefan Pfattheicher. "Fostering sustainable behavior through group competition." Journal of Environmental Psychology 71 (October 2020): 101493. http://dx.doi.org/10.1016/j.jenvp.2020.101493.

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33

Wallach, Tracy. "Competition and gender in group psychotherapy." Group 18, no. 1 (1994): 29–36. http://dx.doi.org/10.1007/bf01459716.

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34

Ding, Zihan. "Business Strategy of TCL Technology Group Corporation: Porter's Five Forces Analysis." Advances in Economics, Management and Political Sciences 14, no. 1 (2023): 147–52. http://dx.doi.org/10.54254/2754-1169/14/20230806.

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This paper analyzes the business strategy of TCL Technology Group Corporation through The Porters Five Forces Framework. Competition from competitor sellers, competition from some possible new entrants to the market in the same area, competition from manufacturers of substitute products, supplier negotiating power, and consumer bargaining power are all included in the Five Forces Framework model. TCL Technology Group Corporation development has been a qualitative leap after restructuring and the company comes out on top in the world. TCL Technology Group Corporation is faced with fierce compet

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35

Prapavessis, Harry, and Albert V. Carron. "The Effect of Group Cohesion on Competitive State Anxiety." Journal of Sport and Exercise Psychology 18, no. 1 (1996): 64–74. http://dx.doi.org/10.1123/jsep.18.1.64.

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One purpose of this study was to examine the relationship between cohesion and competitive state anxiety (A-state). If a cohesion-competition A-state relationship was obtained, the second purpose was to determine whether the perceived psychological benefits and/or psychological costs of cohesiveness mediate that relationship. In order to examine these issues, a sample of interactive sport-team athletes (N = 110) completed the Group Environment Questionnaire (GEQ; Carron, Widmeyer, & Brawley, 1985) and items related to the perceived psychological benefits and costs of membership in cohesive

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36

Elsawy, Gehan, Osama Abdelrahman, and Amr Hamza. "Effect of Choline Supplementation on Rapid Weight Loss and Biochemical Variables Among Female Taekwondo and Judo Athletes." Journal of Human Kinetics 40, no. 1 (2014): 77–82. http://dx.doi.org/10.2478/hukin-2014-0009.

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Abstract Taekwondo and judo competitions are divided into weight categories. Many athletes reduce their body mass a few days before competition in order to obtain a competitive advantage over lighter opponents. To achieve fast body mass reduction, athletes use a number of nutritional strategies, including choline supplementation. The goal of this study was to identify the effects of choline supplementation on body mass reduction and leptin levels among female taekwondo and judo athletes. Twenty-two female athletes (15 taekwondo and 7 judo athletes) were selected from different weight categorie

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37

Lee, Sanghack. "Optimal Rent-Seeking Group." American Economist 36, no. 2 (1992): 58–60. http://dx.doi.org/10.1177/056943459203600207.

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This note characterizes rent-seeking competition under the possibility of cooperation between rent seekers. Rational individuals are shown either to form a group to fight for the rent or not, depending upon costs and benefits of group formation. In the normative respect, group formation by rent seekers turns out to reduce social wastes resulting from rent-seeking competition.

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38

Puurtinen, Mikael, Stephen Heap, and Tapio Mappes. "The joint emergence of group competition and within-group cooperation." Evolution and Human Behavior 36, no. 3 (2015): 211–17. http://dx.doi.org/10.1016/j.evolhumbehav.2014.11.005.

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39

Barbosa, Lorena Oliveira, Emanuel Arnoni Costa, Cristine Tagliapietra Schons, César Augusto Guimarães Finger, Veraldo Liesenberg, and Polyanna da Conceição Bispo. "Individual Tree Basal Area Increment Models for Brazilian Pine (Araucaria angustifolia) Using Artificial Neural Networks." Forests 13, no. 7 (2022): 1108. http://dx.doi.org/10.3390/f13071108.

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This research aimed to develop statistical models to predict basal area increment (BAI) for Araucaria angustifolia using Artificial Neural Networks (ANNs). Tree species were measured for their biometric variables and identified at the species level. The data were subdivided into three groups: (1) intraspecific competition with A. angustifolia; (2) the first group of species that causes interspecific competition with A. angustifolia; and (3) the second group of species that causes interspecific competition with A. angustifolia. We calculated both the dependent and independent distance and the d

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40

Plumley, Daniel, and Stuart W. Flint. "The UEFA Champions League: maintaining the status quo?" Team Performance Management 21, no. 5/6 (2015): 247–58. http://dx.doi.org/10.1108/tpm-01-2015-0003.

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Purpose – The purpose of this paper is to examine the competitive balance of the UEFA Champions League group stages. There are numerous financial and commercial benefits to clubs that participate in this competition. The current paper examines whether the seeding system operated by UEFA is hindering some lower ranked teams from qualification and, thus, the associated benefits. Design/methodology/approach – Data were collected for all UEFA Champions League group stages between1999/2000 and 2013/2014. Data analysis techniques included Herfindahl-Hirschman Index to examine competitive balance and

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41

Gonçalves, Gisele Severo, Priscila Cardozo, Ricardo Drews, and Suzete Chiviacowsky. "Cooperation enhances tennis performance in children." Caderno Pedagógico 22, no. 8 (2025): e17303. https://doi.org/10.54033/cadpedv22n8-170.

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A recent study demonstrated that instructions involving cooperative contexts can support relatedness and benefit motor learning in adolescents when compared to competitive or individual practice contexts (Kaefer; Chiviacowsky, 2022). The purpose of the present study was to investigate the effects of cooperative and competitive contexts of practice on motor performance and learning in children. Three groups of children individually practiced hitting a tennis ball toward a target. Prior to practice, participants received instructions emphasizing that they would be part of a team and their scores

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42

Horbenko, O., and A. Lysenko. "The influence of competitive activity on the motivation for sports dancing in young athletes." Scientific Journal of National Pedagogical Dragomanov University. Series 15. Scientific and pedagogical problems of physical culture (physical culture and sports), no. 7(152) (July 30, 2022): 45–48. http://dx.doi.org/10.31392/npu-nc.series15.2022.7(152).11.

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In this article, based on the analysis and systematization of scientific research, the relevant issues of the influence of competitive activity on the motivation to engage in sports dance in young athletes are considered. Analysis and synthesis of experience shows that young athletes in competitions have to deal with a lot of information of technical and tactical, psychological and other kinds, which affects the motivation for dance sport,. This information must be correlated with the tasks facing dancers in each duel situation and competition in general. A factor that determines the str

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43

Koo, Sungkwon, Kyoungwon Mo, and Kiyoung Kim. "Group－affiliated Analysts’Forecasts and Product Market Competition." Journal of Taxation and Accounting 18, no. 2 (2017): 129–56. http://dx.doi.org/10.35850/kjta.18.2.06.

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Tesic, Nenad. "Competition among interest group - mechanism and consequences." Zbornik Matice srpske za drustvene nauke, no. 182 (2022): 207–32. http://dx.doi.org/10.2298/zmsdn2282207t.

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Анотація:

The subject of analysis is the cause, mechanism and consequences of competition of interest groups in the political market. Two theoretical views are opposed. The central part is dedicated to Becker?s model of competition of pressure groups, which implies the improvement of social welfare, while the argumentation of public choice theory points to the partially opposite conclusion.

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McKay, Amy, and Susan Webb Yackee. "Interest Group Competition on Federal Agency Rules." American Politics Research 35, no. 3 (2007): 336–57. http://dx.doi.org/10.1177/1532673x06296571.

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GEARD, NICHOLAS, and SETH BULLOCK. "COMPETITION AND THE DYNAMICS OF GROUP AFFILIATION." Advances in Complex Systems 13, no. 04 (2010): 501–17. http://dx.doi.org/10.1142/s0219525910002712.

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Анотація:

How can we understand the interaction between the social network topology of a population and the patterns of group affiliation in that population? Each aspect influences the other: social networks provide the conduits via which groups recruit new members and groups provide the context in which new social ties are formed. Given that the resources of individuals are finite, groups can be considered to compete with one another for the time and energy of their members. Such competition is likely to have an impact on the way in which social structure and group affiliation co-evolve. While many soc

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Rita, Hannu, and Esa Ranta. "Competition in a Group of Equal Foragers." American Naturalist 152, no. 1 (1998): 71–81. http://dx.doi.org/10.1086/286150.

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Cornaglia, Francesca, Michalis Drouvelis, and Paolo Masella. "Competition and the role of group identity." Journal of Economic Behavior & Organization 162 (June 2019): 136–45. http://dx.doi.org/10.1016/j.jebo.2019.04.022.

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Barbieri, Stefano, and David A. Malueg. "Private-information group contests: Best-shot competition." Games and Economic Behavior 98 (July 2016): 219–34. http://dx.doi.org/10.1016/j.geb.2016.06.015.

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Castillo-Alvino, Hamlet Humberto, and Marcos Marvá. "Group defense promotes coexistence in interference competition: The Holling type IV competitive response." Mathematics and Computers in Simulation 198 (August 2022): 426–45. http://dx.doi.org/10.1016/j.matcom.2022.02.031.

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