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Letteratura scientifica selezionata sul tema "Gap acceptance"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 26 gennaio 2023

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Articoli di riviste sul tema "Gap acceptance"

Harrell, W. A., e Tami Bereska. "Gap Acceptance by Pedestrians". Perceptual and Motor Skills 75, n. 2 (ottobre 1992): 432–34. http://dx.doi.org/10.2466/pms.1992.75.2.432.

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The riskiness of street crossing behavior of 75 individuals and groups of pedestrians was observed. Gap acceptance, or the elapsed time before a pedestrian initiated a crossing at a marked crosswalk and the time until a vehicle passed through the crosswalk, was the measure of risk. Pedestrian groups containing at least one infant tended to choose longer gaps, i.e., they were less risky in their crossing. Gap acceptance was also more conservative as the mean age of the pedestrian group increased. Gap was not affected by the sex ratio of the group or the volume of traffic passing through the intersection.

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Raghuram Kadali, B., e Vedagiri Perumal. "Pedestrians’ Gap Acceptance Behavior at Mid Block Location". International Journal of Engineering and Technology 4, n. 2 (2012): 158–61. http://dx.doi.org/10.7763/ijet.2012.v4.339.

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Brilon, Werner, e Ning Wu. "Two-Stage Gap Acceptance: Some Clarifications". Transportation Research Record: Journal of the Transportation Research Board 1852, n. 1 (gennaio 2003): 26–31. http://dx.doi.org/10.3141/1852-04.

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Chapter 17 of the Highway Capacity Manual (HCM) 2000 provides a method for analyzing a two-stage priority process at unsignalized intersections, which provide a wide median in the major street. In the HCM itself, the method is described rather briefly. This briefness could give rise to misunderstanding, and practitioners might avoid using the procedure altogether. Therefore, the analytical background of the procedure and the correct application of the parameters are explained in greater detail. Moreover, graphical representations have been developed to replace the difficult formulas, significantly simplifying application in the field. The method also has some limitations, which should be taken into account in practical application. Thus, this paper is something like a comment on the method described in the HCM 2000, besides providing some enhancements that allow easier application in practice.

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Guo, Rui-jun, e Bo-liang Lin. "Gap Acceptance at Priority-Controlled Intersections". Journal of Transportation Engineering 137, n. 4 (aprile 2011): 269–76. http://dx.doi.org/10.1061/(asce)te.1943-5436.0000217.

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Agarwal, Anant, Woong Je Sung, Laura Marlino, Pawel Gradzki, John Muth, Robert Ivester e Nick Justice. "Wide Band Gap Semiconductor Technology for Energy Efficiency". Materials Science Forum 858 (maggio 2016): 797–802. http://dx.doi.org/10.4028/www.scientific.net/msf.858.797.

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The attributes and benefits of wide-bandgap (WBG) semiconductors are rapidly becoming known, as their use in power electronics applications continues to gain industry acceptance. However, hurdles still exist in achieving widespread market acceptance, on a par with traditional silicon power devices. Primary challenges include reducing device costs and the expansion of a workforce trained in their use. The Department of Energy (DOE) is actively fostering development activities to expand application spaces, achieve acceptable cost reduction targets and grow the acceptance of WBG devices to realize DOEs core missions of more efficient energy generation, greenhouse gas reduction and energy security within the U.S. This paper discusses currently funded activities and application areas that are suitable for WBG introduction. A detailed cost roadmap for SiC device introduction is also presented.

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Hutabarat, Emi Septiana. "PENGARUH GAP ACCEPTANCE TERHADAP PROBABILITAS MENYEBERANG JALAN IMPACT OF GAP ACCEPTANCE TO PROBABILITY OF PEDESTRIAN CROSSING". Jurnal Penelitian Transportasi Darat 15, n. 3 (1 luglio 2019): 141. http://dx.doi.org/10.25104/jptd.v15i3.1208.

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Pesatnya pertumbuhan lalu lintas saat ini khususnya kendaraan roda dua, menyebabkan minimnya pergerakan lalu lintas non-motorized seperti pengguna sepeda serta pejalan kaki. Tingginya aktivitas lalu lintas motorized menyebabkan sulitnya seseorang mendapatkan kesempatan (gap) untuk menyeberang jalan. Penelitian ini dilakukan pada ruas jalan dengan tata guna lahan untuk pendidikan dan pertokoan di sekitar jalan UGM, Yogjakarta. Metode yang digunakan dalam penelitian ini adalah statistik deskriptif dengan variabel gap yang digunakan kendaraan, kecepatan menyeberang dan kecepatan kendaraan. Untuk lokasi I (pendidikan) penyeberang tunggal rata-rata waktu gap kendaraan yang dibutuhkan maksimal adalah 20 detik, sedangkan penyeberang kelompok, waktu gap kendaraan yang dibutuhkan adalah 23 detik, untuk rata-rata kecepatan menyeberang pada penyeberang tunggal maksimal 5 m/detik sedangkan penyeberang kelompok arah selatan 6,04 m/detik, serta kecepatan kendaraan pada saat terdapat penyeberang tunggal rata-rata maksimal adalah 20,48 km/jam, sedangkan untuk penyeberang kelompok maksimal adalah 25,87 km/jam untuk jarak menyeberang 13 m. Untuk lokasi II (pertokoan) penyeberang tunggal rata-rata waktu gap kendaraan yang dibutuhkan maksimal adalah 18,48 detik, sedangkan penyeberang kelompok, waktu gap kendaraan yang dibutuhkan adalah 25 detik, untuk rata-rata kecepatan menyeberang pada penyeberang tunggal maksimal 4,5 m/detik, sedangkan penyeberang kelompok arah utara 7,35 m/detik serta kecepatan kendaraan pada saat terdapat penyeberang tunggal kecepatan rata-rata kendaraan maksimal adalah 20,48 km/jam, sedangkan untuk penyeberang kelompok maksimal adalah 26,60 km/jam untuk jarak menyeberang 14 m. Dari hasil analisis waktu gap kendaraan, kecepatan menyeberang dan kecepatan kendaraan yang dibutuhkan penyeberang untuk penyeberang tunggal lebih tinggi dibandingkan dengan penyeberang secara berkelompok.

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Ruškić, Nenad, e Valentina Mirović. "Gap Acceptance at Non–Standard Unsignalised Intersections". Promet 34, n. 5 (30 settembre 2022): 779–87. http://dx.doi.org/10.7307/ptt.v34i5.4096.

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Non-standard unsignalised intersections are very common in European countries with old street networks. The major road often bends at an angle at the centre of an intersection, which makes the intersection non-standard. There are very few papers about the capacity analysis and headway values at these intersections, even though non-standard intersections are widespread not only in Europe but also in the rest of the world. Regarding the fact that priority at the non-standard unsignalised intersection (NSUI) differs from the standard unsignalised intersection (SUI) and the conflict flows, it can be expected that headways are not the same as those at the SUI. Consequently, the capacity at the NSUI differs from that at the SUI. This paper gives critical headway and follow-up headway values at 3-leg and 4-leg NSUI collected by on-field measurement. Recommendations for the values used for the capacity analysis are given, and recommended values are compared at SUI and NSUI.

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Gattis, J. L., e Sonny T. Low. "Gap Acceptance at Atypical Stop-Controlled Intersections". Journal of Transportation Engineering 125, n. 3 (maggio 1999): 201–7. http://dx.doi.org/10.1061/(asce)0733-947x(1999)125:3(201).

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Russell, Bruce D., e Mustafa R. Yilmaz. "Using Gap Analysis to Improve System Acceptance". Information Systems Management 23, n. 4 (settembre 2006): 37–42. http://dx.doi.org/10.1201/1078.10580530/46352.23.4.20060901/95111.5.

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Kimber, R. M. "Gap-Acceptance and Empiricism in Capacity Prediction". Transportation Science 23, n. 2 (maggio 1989): 100–111. http://dx.doi.org/10.1287/trsc.23.2.100.

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Tesi sul tema "Gap acceptance"

Lee, Gunwoo. "Modeling gap acceptance at freeway merges". Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/34607.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2006.
Includes bibliographical references (p. 103-105).
This thesis develops a merging model that captures the gap acceptance behavior of drivers that merge from a ramp into a congested freeway. Merging can be classified into three types: normal, forced and cooperative lane changing. The developed merging model uses a single critical gap function, which incorporates explanatory variables that capture all three types of merging behavior. Thus, the model combines all three types in a single model. The merging gap acceptance model is estimated using the maximum likelihood method with detailed trajectory data that was collected on two freeway sections in California. Estimation results show that the merging gap acceptance model is affected by traffic conditions such as average speed in the mainline, interactions with lead and lag vehicles, and urgency of the merge. Transferability tests for the stability of the model parameters between the two datasets are conducted. The single level gap acceptance model is implemented and compared with an existing gap acceptance model in the microscopic traffic simulation model, MITSIMLab. The results show that the proposed model is better than the existing gap acceptance model.
by Gunwoo Lee.
S.M.

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Xu, Feng. "Driver behavior and gap acceptance studies at roundabouts". abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1442865.

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Velan, Shane M. "Gap acceptance of permissive movements at signalised and unsignalised intersections". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq22415.pdf.

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Zohdy, Ismail Hisham. "Modeling Permissive Left-Turn Gap Acceptance Behavior at Signalized Intersections". Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/35691.

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The research presented in this thesis, studies driver gap acceptance behavior for permissive left turn movements at signalized intersections. The thesis attempts to model the gap acceptance behavior using three different approaches, a deterministic statistical approach, a stochastic approach, and a psycho-physical approach. First, the deterministic statistical modeling approach is conducted using logistic regression to characterize the impact of a number of variables on driver gap acceptance behavior. The variables studied are the gap duration, the driverâ s wait time in search of an acceptable gap, the time required to travel to clear the conflict point, and the rain intensity. Considering stochastic gap acceptance, two stochastic approaches are compared, namely: a Bayesian and a Bootstrap approach. The study develops a procedure to model stochastic gap acceptance behavior while capturing model parameter correlations without the need to store all parameter combinations. The model is then implemented to estimate stochastic opposed saturation flow rates. Finally, the third approach uses a psycho-physical modeling approach. The physical component captures the vehicle constraints on gap acceptance behavior using vehicle dynamics models while the psychological component models the driver deliberation and decision process. In general, the three proposed models capture gap acceptance behavior for different vehicle types, roadway surface conditions, weather effects and types of control which could affect the driver gap acceptance behavior. These findings can be used to develop weather responsive traffic signal timings and can also be integrated into emerging IntelliDrive systems.
Master of Science

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Valdivias, Adriana. "Robbing the Cradle: Gender, Sociosexuality, and Age Gap Direction’s Effects on Mate Acceptance and Likelihood of Entering an Age Gap Relationship". Scholarship @ Claremont, 2014. http://scholarship.claremont.edu/scripps_theses/424.

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Using evolutionary and sociocultural theories, the current study examined what people consider important when entering an age gap relationship, willingness to accept a potential age discrepant partner, likelihood of entering an age gap relationship, and the importance of sex in relationships. Differences were predicted for older and younger potential partners as well as for short term or long term relationships in participants 30-50 years old. However, it seems that only men are willing to break dating norms for casual relationships, while women chose the traditional older male-younger woman relationship. For marriage, the pattern showed that participants preferred the traditional older male-younger female relationship, as well.

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Baz, Chamas Hassan A. "The Impact of the contextual factors on the success of e-government in Lebanon: Context-System Gap". Thesis, University of Bradford, 2017. http://hdl.handle.net/10454/16045.

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Purpose: The relationship between context and e-governance has been gaining a significant momentum in academic circles due its social and technical complexities. There are many challenges posed by the disparity between the context and the system when it comes to e-governance in developing countries. This research aims to reveal more successful adoption of e-governance initiatives and exposes factors that hinder its implementation. We develop a conceptual framework showing the reciprocity between the context and the system or what is termed “Context-System Gap”. Therefore, this research will study the appropriateness of the context and its influence on the system and the influence of the system on the context. The purpose of this research is to explore the factors that enable successful e-government adoption in Lebanon, where e-governance is still at its initial stage. Most empirical research and theories on the implementation of e-governance in developing countries remain at the macro-level and miss out on the complexities of the context of deployment and the role of the gap between the citizens and the government. The purpose of this thesis is to provide an empirical model differentiating between the electronic context and the electronic system and shed a light over a new gap, government-citizen gap, in the adoption of e-government. Design/methodology/approach: Following previous research on e-government services adoption, this study uses several technology use and acceptance models and literature to examine the elements behind the adoption and use of e-government services in Lebanon from citizen and government perspectives. The research strategy is a quantitative method approach employing questionnaire. Quantitative data will be collected from e-government users (citizens) and statistical tests will be conducted in order to examine the relation between variables. Practical implications: The findings are useful for policy-makers and decision-makers to develop a better understanding of citizens' needs. The proposed model can be used as a guideline for the implementation of e-government services in developing countries. Originality/value: This study is the only one to examine the dimensions influencing citizens’ adoption of e-government technologies in developing countries using a unified model merging context and system elements.

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Allam, Karteek Kumar. "Simulation-Based Integrated Control Algorithm for Controlling Shockwave Propagation on Freeways and Queue Spillback at On-ramps". University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1448275202.

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Bunker, Jonathan M. "Microscopic modelling of freeway operations". Thesis, Queensland University of Technology, 1996. https://eprints.qut.edu.au/41266/1/Jonathan_M_Bunker_PhD.pdf.

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Freeways are divided roadways designed to facilitate the uninterrupted movement of motor vehicles. However, many freeways now experience demand flows in excess of capacity, leading to recurrent congestion. The Highway Capacity Manual (TRB, 1994) uses empirical macroscopic relationships between speed, flow and density to quantify freeway operations and performance. Capacity may be predicted as the maximum uncongested flow achievable. Although they are effective tools for design and analysis, macroscopic models lack an understanding of the nature of processes taking place in the system. Szwed and Smith (1972, 1974) and Makigami and Matsuo (1990) have shown that microscopic modelling is also applicable to freeway operations. Such models facilitate an understanding of the processes whilst providing for the assessment of performance, through measures of capacity and delay. However, these models are limited to only a few circumstances. The aim of this study was to produce more comprehensive and practical microscopic models. These models were required to accurately portray the mechanisms of freeway operations at the specific locations under consideration. The models needed to be able to be calibrated using data acquired at these locations. The output of the models needed to be able to be validated with data acquired at these sites. Therefore, the outputs should be truly descriptive of the performance of the facility. A theoretical basis needed to underlie the form of these models, rather than empiricism, which is the case for the macroscopic models currently used. And the models needed to be adaptable to variable operating conditions, so that they may be applied, where possible, to other similar systems and facilities. It was not possible to produce a stand-alone model which is applicable to all facilities and locations, in this single study, however the scene has been set for the application of the models to a much broader range of operating conditions. Opportunities for further development of the models were identified, and procedures provided for the calibration and validation of the models to a wide range of conditions. The models developed, do however, have limitations in their applicability. Only uncongested operations were studied and represented. Driver behaviour in Brisbane was applied to the models. Different mechanisms are likely in other locations due to variability in road rules and driving cultures. Not all manoeuvres evident were modelled. Some unusual manoeuvres were considered unwarranted to model. However the models developed contain the principal processes of freeway operations, merging and lane changing. Gap acceptance theory was applied to these critical operations to assess freeway performance. Gap acceptance theory was found to be applicable to merging, however the major stream, the kerb lane traffic, exercises only a limited priority over the minor stream, the on-ramp traffic. Theory was established to account for this activity. Kerb lane drivers were also found to change to the median lane where possible, to assist coincident mergers. The net limited priority model accounts for this by predicting a reduced major stream flow rate, which excludes lane changers. Cowan's M3 model as calibrated for both streams. On-ramp and total upstream flow are required as input. Relationships between proportion of headways greater than 1 s and flow differed for on-ramps where traffic leaves signalised intersections and unsignalised intersections. Constant departure onramp metering was also modelled. Minimum follow-on times of 1 to 1.2 s were calibrated. Critical gaps were shown to lie between the minimum follow-on time, and the sum of the minimum follow-on time and the 1 s minimum headway. Limited priority capacity and other boundary relationships were established by Troutbeck (1995). The minimum average minor stream delay and corresponding proportion of drivers delayed were quantified theoretically in this study. A simulation model was constructed to predict intermediate minor and major stream delays across all minor and major stream flows. Pseudo-empirical relationships were established to predict average delays. Major stream average delays are limited to 0.5 s, insignificant compared with minor stream delay, which reach infinity at capacity. Minor stream delays were shown to be less when unsignalised intersections are located upstream of on-ramps than signalised intersections, and less still when ramp metering is installed. Smaller delays correspond to improved merge area performance. A more tangible performance measure, the distribution of distances required to merge, was established by including design speeds. This distribution can be measured to validate the model. Merging probabilities can be predicted for given taper lengths, a most useful performance measure. This model was also shown to be applicable to lane changing. Tolerable limits to merging probabilities require calibration. From these, practical capacities can be estimated. Further calibration is required of traffic inputs, critical gap and minimum follow-on time, for both merging and lane changing. A general relationship to predict proportion of drivers delayed requires development. These models can then be used to complement existing macroscopic models to assess performance, and provide further insight into the nature of operations.

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Nasir, Nayla. "Acceptance Testing in Agile Software Development - Perspectives from Research and Practice". Thesis, Blekinge Tekniska Högskola, Institutionen för programvaruteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21141.

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Context: Acceptance testing is an important activity that verifies the conformance of a system to its acceptance criteria. It aims to provide a detailed communication of domain knowledge and is used to evaluate whether the customer requirements are met. Existing literature lacks empirical evidence for acceptance testing. Especially in the context of industry practice, it is not in the authors' consideration, except for a few studies, where the authors have investigated the state of practice in a specific domain. Objective: This study aims to recognize the state of research and practice of acceptance testing in Agile Software Development and investigate the similarities and differences in both perspectives. The study contributes to identify the industry-academia gap in the context of acceptance testing. Research Method: To identify the acceptance testing practices and challenges from research, I have conducted a literature review. For the industry perspective on acceptance testing practices and challenges, I have conducted an interview-based survey of the practitioners working in the Agile Software Development environment. I followed the snowball search strategy to search the primary studies, whereas to select the respondents, I used the convenience and snowball sampling method. For data analysis, I followed the approach of thematic synthesis. Results: The results of this thesis are the outcome of a literature review of 20 selected studies and an interview-based survey with 12 practitioners representing10 companies. I identified acceptance testing practices and challenges from research and industry. In the research, the most recommended form of acceptance testing is acceptance test-driven development (ATDD), and the majority of the studies are referring to the use of FIT for acceptance testing. Customer involvement in different phases of acceptance testing is recommended in research. From the interviews, I come across that acceptance testing is manual at large in the industry, and the most challenging aspect is the customer’s involvement. Conclusions: From the findings of this thesis, it is concluded that there is a gap between the research and industry perspective of acceptance testing practices. Currently, acceptance testing in the industry is mostly manual, the research is not focusing on this aspect of acceptance testing. Despite the differences, there are some commonalities as well. Especially, most challenges of acceptance testing are similar in both perspectives. Researchers have to consider the commonalities, and they have to look at how they can minimize the acceptance testing challenges from the perspective of the industry.

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Heckler, Elliott K. "Investigating Rural Expressway Crashes at Two-Way Stop-Controlled Intersections". Ohio University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1448374211.

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Libri sul tema "Gap acceptance"

MA, Bailey Ann, a cura di. A CBT-practitioner's guide to ACT: How to bridge the gap between cognitive behavioral therapy and acceptance and commitment therapy. Oakland, CA: New Harbinger Publications, 2008.

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Becoming gay: The journey to self-acceptance. New York: Vintage Books, 2009.

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Becoming gay: The journey to self-acceptance. New York: Vintage Books, 2009.

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Russell, Ayto, e Yu Zhiying, a cura di. Ni hen kuai jiu hui zhang gao. [Wuhan Shi]: Hubei shao nian er tong chu ban she, 2009.

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A, Wall Vernon, e Evans Nancy J. 1947-, a cura di. Toward acceptance: Sexual orientation issues on campus. Lanham, Md: University Press of America, 2000.

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Gay, lesbian, and heterosexual teachers: An investigation of acceptance of self, acceptance of others, affectional and lifestyle orientation : their rightful place. San Francisco: Mellen Research University Press, 1993.

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Becoming gay: The journey to self acceptance. New York: Pantheon Books, 1996.

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Becoming gay: The journey to self acceptance. New York: Henry Holt, 1997.

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Rik, Isensee, a cura di. Reclaiming your life: The gay man's guide to love, self-acceptance, and trust. Los Angeles: Alyson books, 1997.

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Acceptance of homosexuality in the Netherlands, 2011: International comparison, trends, and current situation. Hague: Netherlands Institute for Social Research, 2011.

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Capitoli di libri sul tema "Gap acceptance"

Salter, R. J. "Priority Intersections, Gap and Lag Acceptance". In Traffic Engineering, 40–46. London: Macmillan Education UK, 1989. http://dx.doi.org/10.1007/978-1-349-10800-8_11.

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Salter, R. J. "Opposed right-turning vehicles and gap acceptance". In Highway Traffic Analysis and Design, 318–21. London: Macmillan Education UK, 1996. http://dx.doi.org/10.1007/978-1-349-13423-6_39.

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Townsend, Paul Simon. "Pedestrian Gap Acceptance in Micro-Simulation Modelling". In Pedestrian and Evacuation Dynamics 2012, 861–74. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-02447-9_72.

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Salter, R. J. "Opposed right-turning vehicles and gap acceptance". In Highway Traffic Analysis and Design, 305–8. London: Macmillan Education UK, 1989. http://dx.doi.org/10.1007/978-1-349-20014-6_39.

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Riccardo, Rossi, Gastaldi Massimiliano, Gecchele Gregorio e Meneguzzer Claudio. "Transferability of Fuzzy Models of Gap-Acceptance Behavior". In Advances in Intelligent and Soft Computing, 379–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-20505-7_34.

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Lassarre, S., P. Lejeune e J. C. Decret. "Gap Acceptance and Risk Analysis at Unsignalised Intersections". In Intersections without Traffic Signals II, 258–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84537-6_18.

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Fricker, Jon D., Marlene Gutierrez e David Moffett. "Gap Acceptance and Wait Time at Unsignalized Intersections". In Intersections without Traffic Signals II, 297–307. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84537-6_21.

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Guerrieri, Marco, e Raffaele Mauro. "Interference Between Traffic Flows: The Gap Acceptance Theory". In Springer Tracts in Civil Engineering, 131–39. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60723-4_7.

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Akçelik, Rahmi. "Gap Acceptance Cycles for Modelling Roundabout Capacity and Performance". In Roundabouts as Safe and Modern Solutions in Transport Networks and Systems, 89–98. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-98618-0_8.

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Rossi, Riccardo, Massimiliano Gastaldi, Gregorio Gecchele e Claudio Meneguzzer. "Fuzzy Logic Models of Gap-Acceptance Behavior at Roundabouts". In Advances in Intelligent Systems and Computing, 281–91. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04630-3_21.

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Atti di convegni sul tema "Gap acceptance"

Cody, Delphine, Christopher Nowakowski e Bénédicte Bougler. "Observation of Gap Acceptance During Intersection Approach". In Driving Assessment Conference. Iowa City, Iowa: University of Iowa, 2007. http://dx.doi.org/10.17077/drivingassessment.1256.

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Saric, Ammar, Sanjin Albinovic e Jasmina Causevic. "Practical determination of gap-acceptance parameters on roundabouts". In Fifth International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2018. http://dx.doi.org/10.5592/co/cetra.2018.691.

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Zhou, Jinwei, Pavlo Tkachenko e Luigi del Re. "Gap Acceptance Based Safety Assessment Of Autonomous Overtaking Function". In 2019 IEEE Intelligent Vehicles Symposium (IV). IEEE, 2019. http://dx.doi.org/10.1109/ivs.2019.8814141.

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Hensch, Ann-Christin, Matthias Beggiato, Sarah Mandl, Anja Strobel e Josef Krems. "The interplay of personality traits with drivers’ gap acceptance". In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002464.

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To support road safety and user acceptance, the interaction capabilities of automated vehicles (AVs) need to be intuitive and transparent. Therefore, established interaction capabilities of manual drivers need to be implemented in AVs. In manual driving, accepted time gaps (gap acceptance, GA) are frequently applied to coordinate interactions between traffic participants. Various driver characteristics, such as age, were shown to influence GA. However, little research considered the influence of driver personality traits on GA. Therefore, the current online study investigated the effect of drivers’ sensation seeking and big five personality traits (i.e., agreeableness, extraversion, conscientiousness, openness, and neuroticism) on GA. The applied video material displayed an intersection scenario with approaching interaction partners encountering from the left of the drivers’ perspective. A total of 121 participants contributed to the study. The findings showed a significant effect for participants’ sensation seeking on GA. Participants scoring higher in sensation seeking accepted smaller time gaps resulting in riskier decisions for the turning maneuvers than participants scoring lower in sensation seeking. Moreover, the results revealed a significant difference in GA regarding participants’ agreeableness. Participants scoring higher in agreeableness indicated larger time gaps to initiate turning maneuvers (i.e., more cooperative interactions) than participants scoring lower in agreeableness. There was no effect for extraversion, conscientiousness, openness, and neuroticism on GA. To support the user acceptance of automated driving functions, differences in driving style preferences related to personal characteristics should be considered in AVs (e.g., by offering selectable driving style profiles).

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Bijl, Piet. "How to pass a sensor acceptance test: using the gap between acceptance criteria and operational performance". In SPIE Security + Defence, a cura di David A. Huckridge, Reinhard Ebert e Stephen T. Lee. SPIE, 2016. http://dx.doi.org/10.1117/12.2241792.

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Shi, Xueying, e Junyu Zhu. "Modification of a Gap Acceptance Theory Model of Roundabouts’ Capacities". In 16th COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784479896.151.

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Srinivasan Rammanoharan, Sneha, Jose Alguindigue, Apurva Narayan e Siby Samuel. "SHRP2 Naturalistic Data Analysis of Older Drivers’ Gap-Acceptance Behaviour". In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002478.

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Drivers aged 65 and older are very prone to motor vehicle crashes. Intersections appear to be hazardous for drivers of this age group due to the driver’s cognitive, perceptual, and psychomotor challenges. Literature notes that older drivers find it incredibly challenging to safely navigate left turns at signalized intersections. Studies have identified the driver’s physical health, vision, and cognition as factors that impact the ability of older drivers to sufficiently monitor the gaps in oncoming traffic to make a left turn safely. The current paper aims to address the gap in the literature by explicitly examining older drivers’ gap acceptance behaviors during left turns at protected intersections. We utilize the Naturalistic Driving Study Data collected via the Strategic Highway Research Plan (SHRP2) to understand older driver behavior better. SHRP2 makes available a geo-spatially linked, comprehensive database over a multi-year period from over 3400 participants across six sites. SHRP2 databases contain a relatively more significant proportion of younger and older drivers than the national driver population databases. This dataset includes a trip summary, vehicle data, driver questionnaire, and test battery data specifying driving history, physical and psychological conditions, demographics and exit interview data, time-series data of the drivers approaching the intersections or just after the intersections, and forward video data of the drivers approaching the intersections or just after the intersections. Data is analyzed for participants over the age of 65 and participants between the ages of 30-50. Several hundred baseline, near-crash, and crash events are obtained for comparison. The video data is annotated using the DREAM methodology. The Roadway Information Database (RID) also considers additional variables such as crash histories and traffic and weather conditions. The samples of the forward video data provide the start time and end time of each gap accepted or rejected by the turning driver, especially when turning left, during unprotected phases, and help understand the participant’s interactions with other vehicles just before and after the intersections. As the data has been collected over multiple years across multiple sites, the dataset is considered a multivariate time series model. As there is more than a one-time dependent variable, the data was analyzed using Extreme Gradient Boost (XGBoost), Long-Short Term Memory (LSTM), and Seasonal Auto-Regressive Integrated Moving Average with eXogenous factors (SARIMAX) models. These models are expected to achieve an accuracy of around 80 percent at four-way intersections and approximately 60 percent in T-intersections. We anticipate that the older drivers will exhibit longer gap acceptance times and a greater frequency of gap rejections than their younger counterparts while turning left across traffic at signalized intersections. The findings of the current study will have implications for older driver safety. Researchers may use the findings to understand gap acceptance behaviors further, while policymakers may utilize the results to design mobility guidelines.

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Liao, Dabin, Wanjing Ma e Yu Bai. "Unconventional Impacting Factors of Gap Acceptance at Stop Sign-Controlled Intersections". In 14th COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413623.209.

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Zhong, Xiaoming, Xinzheng Zhu, Yong Zhang e Xiaoming Liu. "Left-Turn Gap Acceptance Behavior of Tee Type of Unsignalized Intersection". In First International Conference on Transportation Engineering. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40932(246)488.

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Lin, Pei-Sung, Aldo Fabregas e Enrique Gonzalez-Velez. "Assessment of a Flashing Yellow Arrow Signal Implementation Using Gap Acceptance Measures". In Ninth Asia Pacific Transportation Development Conference. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412299.0041.

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Rapporti di organizzazioni sul tema "Gap acceptance"

Agu, Monica, Zita Ekeocha, Stephen Robert Byrn e Kari L. Clase. The Impact of Mentoring as a GMP Capability Building Tool in The Pharmaceutical Manufacturing Industry in Nigeria. Purdue University, dicembre 2012. http://dx.doi.org/10.5703/1288284317447.

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Good Manufacturing Practices (GMP), a component of Pharmaceutical Quality Systems, is aimed primarily at managing and minimizing the risks inherent in pharmaceutical manufacture to ensure the quality, safety and efficacy of products. Provision of adequate number of personnel with the necessary qualifications/practical experience and their continuous training and evaluation of effectiveness of the training is the responsibility of the manufacturer. (World Health Organization [WHO], 2014; International Organization for Standardization [ISO], 2015). The classroom method of training that has been used for GMP capacity building in the pharmaceutical manufacturing industry in Nigeria over the years, delivered by experts from stringently regulated markets, have not yielded commensurate improvement in the Quality Management Systems (QMS) in the industry. It is necessary and long over-due to explore an alternative training method that has a track record of success in other sectors. A lot of studies carried out on mentoring as a development tool in several fields such as academia, medicine, business, research etc., reported positive outcomes. The aim of this study was to explore mentoring as an alternative GMP training method in the pharmaceutical manufacturing industry in Nigeria. Specifically, the aim of this study was to evaluate the impact of mentoring as a GMP capability building tool in the pharmaceutical manufacturing industry in Nigeria, with focus on GMP documentations in XYZ pharmaceutical manufacturing company located in South-Western region of Nigeria. The methodology comprised gap assessment of GMP documentation of XYZ company to generate current state data, development of training materials based on the identified gaps and use of the training materials for the mentoring sessions. The outcome of the study was outstanding as gap assessment identified the areas of need that enabled development efforts to be targeted at these areas, unlike generic classroom training. The mentees’ acceptance of the mentoring support was evident by their request for additional training in some other areas related to the microbiology operations that were not covered in the gap assessment. This result portrays mentoring as a promising tool for GMP capacity building, but more structured studies need to be conducted in this area to generate results that can be generalized.

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Lovell, Alexis, Garrett Hoch, Christopher Donnelly, Jordan Hodge, Robert Haehnel e Emily Asenath-Smith. Shear and tensile delamination of ice from surfaces : The Ice Adhesion Peel Test (IAPT). Engineer Research and Development Center (U.S.), settembre 2021. http://dx.doi.org/10.21079/11681/41781.

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For decades, researchers have sought to understand the adhesion of ice to surfaces so that low-cost ice mitigation strategies can be developed. Presently, the field of ice adhesion is still without formal standards for performing ice adhesion tests. The U.S. Army Corps Engineers’ Research and Development Center’s Cold Regions Research and Engineering Laboratory (ERDC-CRREL) has a longstanding history as an independent third party for ice adhesion testing services. Most notably, CRREL’s Zero-Degree Cone Test (ZDCT) has been an industry favorite for more than 30 years. Despite its wide acceptance, the ZDCT contains some shortcomings, namely that freshwater ice is formed on the surface of interest within the confines of an annular gap. To address this limitation, CRREL developed and uses the Ice Adhesion Peel Test (IAPT) for testing ice adhesion. This test employs an open planar substrate from which the ice can be removed under either tensile or shear loading, thereby allowing ice to be grown directly on the target substrate without the use of molds. The IAPT configuration is therefore amenable to different ice types and geometries and will provide utility to research studies that aim to develop surface treatments to mitigate ice in a wide range of environments. This report describes the IAPT and its use for characterizing the ice adhesion properties of materials.

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Vo, C. V. Gas characterization system software acceptance test procedure. Office of Scientific and Technical Information (OSTI), febbraio 1996. http://dx.doi.org/10.2172/483458.

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Vo, C. V. Gas characterization system software acceptance test report. Office of Scientific and Technical Information (OSTI), marzo 1996. http://dx.doi.org/10.2172/483528.

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Cannon, N. S. ,. Westinghouse Hanford. Retained gas sampler system acceptance test report. Office of Scientific and Technical Information (OSTI), luglio 1996. http://dx.doi.org/10.2172/659260.

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SHERRELL, D. L. MCO combustible gas management leak test acceptance criteria. Office of Scientific and Technical Information (OSTI), maggio 1999. http://dx.doi.org/10.2172/782255.

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Schneider, T. C. Gas characterization system 241-AN-105 field acceptance test procedure. Office of Scientific and Technical Information (OSTI), marzo 1996. http://dx.doi.org/10.2172/483420.

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Schneider, T. C. Gas characterization system 241-AW-101 field acceptance test procedure. Office of Scientific and Technical Information (OSTI), marzo 1996. http://dx.doi.org/10.2172/483421.

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Великодна, Мар’яна Сергіївна. Psychoanalytic Study on Psychological Features of Young Men «Millionaires» in Modern Provincial Ukraine. Theory and Practice of Modern Psychology, 2020. http://dx.doi.org/10.31812/123456789/3873.

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The article is based on three cases of private psychoanalytic work with successful businessmen from central and northern parts of Ukraine. The research methodology was psychoanalytic theories devoted to the unconscious meanings of money and the role of money in the psychoanalytic setting, including object theory, drive theory, psychosexual development theory, narcissism theory, Oedipus complex, transference and resistance. What presents the interest of this study are the cases when those who grew up in poverty finally obtains such a desired object — money, wealth, however, something unconscious hinders this person to get satisfied by it and even to admit obtaining it. The presented clinical work was conducted as classic psychoanalysis in person with different duration: 5, 10 and 46 months. Men were asked to tell whatever comes to mind: thoughts, memories, dreams, phantasies, feelings etc. The role of psychoanalyst was to hear specific connections between patient’s stories and to analyze them together with the patient. The cases presented highlight several psychological features of young men «millionaires» who suffer from their own success. 1. Sensitivity to Father’s (real or symbolic) acceptance of their business and financial success. 2. Activation of unconscious Oedipus complex and Complex of castration because of the risk to dethrone the Father in reality, with experiences of guilt, fear and expectation of punishment. 3. Projection of their own envy, hate, wish to avenge and killing phantasies into external objects (friends, partners, psychoanalyst) with building individual defensive strategies from them. These psychological features were associated not only with suffering and psychopathological symptoms but also with impossibility to continue business development. In addition, the cases analyzed in the article show some difficulties in building business connected with the generations gap. Fathers from the USSR or the 90s teach their sons to act in the way that is not relevant for successful careers nowadays. This latent or manifested struggle between generations may be an important factor in abovementioned psychological features.

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SHERRELL, D. L. Multi Canister Overpack (MCO) Combustible Gas Management Leak Test Acceptance Criteria (OCRWM). Office of Scientific and Technical Information (OSTI), ottobre 2000. http://dx.doi.org/10.2172/805625.

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