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961.
Franck Di Rienzo Guillaume Martinent Lucie Levêque Tadhg MacIntyre Christian Collet Aymeric Guillot 《Journal of sports sciences》2018,36(3):311-318
The critical importance of the start phase in bicycle motocross (BMX) racing is increasingly acknowledged. Past experiments underlined that the internal lane of the starting gate provides a strong positional advantage. However, how lane position affects start performance and cognitive and somatic state anxiety remains unexplored. We examined the start performance and anxiety responses of youth national-level BMX riders in both experimental and ecological contexts. We used contextualization motor imagery routines to evaluate start performance and state anxiety from the internal and external lanes. Cycle ergometer measures revealed a better start performance from the external lane, but we did not record any lane effect on actual gate start times. Both somatic and cognitive anxiety scores were higher before racing from the internal compared to the external lane. Finally, state anxiety (i.e., somatic anxiety, worry and concentration disruptions) negatively predicted the start performance. Present findings provide original insights on psychological factors involved in BMX start performance, and might contribute to fruitful coping interventions and training programmes in sports overlapping the framework of “handicap races” taking the specific form of positional advantages/disadvantages at the start (e.g., ski/snowboard cross, athletics, swimming, motorsports, etc.). 相似文献
962.
Samson Ovichegan 《International Journal of Inclusive Education》2013,17(4):359-378
The purpose of this paper is twofold; first the paper explores and describes the complex ways in which social exclusion can (sometimes) be reconstituted within policy attempts at social inclusion: the quota policy in India. Second, the paper provides a grounded account of the connectedness of inclusion/exclusion and an illustration of how those positioned as excluded can avoid and manage the ‘problem’ of exclusion by ‘passing’ as the more privileged ‘other’. The substantive focus of this paper is with the caste-based experiences of Dalit students at one elite Indian university. 相似文献
963.
王东 《武汉工程职业技术学院学报》1998,(3)
本文利用控制理论中的传递函数方法建立了EPC控制系统的动态数学模型,为研究该系统的动态品质提供了理论依据。同时,根据现场的测试情况,对该数学模型进行了验证和分析,其结果是可行的。 相似文献
964.
Literature on the level of adaptive functioning and relative strengths and weaknesses in functioning of individuals with Williams syndrome (WS) was reviewed. The electronic databases PsycINFO, PubMed, Expanded Academic, Web of Science, Scopus and ProQuest were searched electronically for relevant articles and dissertations using the search terms ‘Williams syndrome’ or ‘Williams-Beuren syndrome’ combined with ‘adaptive function*’, ‘adaptive behavio*’, ‘independ*’ and ‘autonomy’. Selection criteria included English language articles, theses and book chapters, participants with a diagnosis of Williams syndrome and inclusion of a standardised assessment of adaptive functioning. Twenty-two published articles and two PhD. dissertations (one subsequently published as a poster presentation) met the selection criteria for inclusion in the review. Fifteen investigated adaptive functioning in children and adolescents aged up to 19 years of age, five investigated adaptive functioning in adults and four included participants across a wider age range and included both children and adults. Along with identifying methodological issues, the review addressed the following areas: overall level of adaptive functioning in WS, domain strengths and weaknesses, evidence of heterogeneity, relationship to intellectual ability, changes with chronological age, relationship with maladaptive behaviour, gender differences and the potential influence of environmental factors which may be related to adaptive functioning in WS. 相似文献
965.
Abstract This article explores findings from a recent research project, funded by the Joseph Rowntree Foundation, and contextualizes these in a discussion of some current thinking about inclusion and exclusion. Although the research found that it was possible to prevent disciplinary exclusion from school and that inter-agency working was central to this, nevertheless strategies for preventing disciplinary exclusion often meant that young people were no longer very fully included in the mainstream school curriculum. This has implications for how we think about and use the idea of inclusion in practice and raises questions about how we can include the most challenging young people into inclusion theory and practice. This research was carried out in Scotland, and the article also discusses some key differences in policy and practice from England. 相似文献
966.
Hatim Lahza Tammy G. Smith Hassan Khosravi 《British journal of educational technology : journal of the Council for Educational Technology》2023,54(1):335-354
Traditional item analyses such as classical test theory (CTT) use exam-taker responses to assessment items to approximate their difficulty and discrimination. The increased adoption by educational institutions of electronic assessment platforms (EAPs) provides new avenues for assessment analytics by capturing detailed logs of an exam-taker's journey through their exam. This paper explores how logs created by EAPs can be employed alongside exam-taker responses and CTT to gain deeper insights into exam items. In particular, we propose an approach for deriving features from exam logs for approximating item difficulty and discrimination based on exam-taker behaviour during an exam. Items for which difficulty and discrimination differ significantly between CTT analysis and our approach are flagged through outlier detection for independent academic review. We demonstrate our approach by analysing de-identified exam logs and responses to assessment items of 463 medical students enrolled in a first-year biomedical sciences course. The analysis shows that the number of times an exam-taker visits an item before selecting a final response is a strong indicator of an item's difficulty and discrimination. Scrutiny by the course instructor of the seven items identified as outliers suggests our log-based analysis can provide insights beyond what is captured by traditional item analyses.
Practitioner notes
What is already known about this topic- Traditional item analysis is based on exam-taker responses to the items using mathematical and statistical models from classical test theory (CTT). The difficulty and discrimination indices thus calculated can be used to determine the effectiveness of each item and consequently the reliability of the entire exam.
- Data extracted from exam logs can be used to identify exam-taker behaviours which complement classical test theory in approximating the difficulty and discrimination of an item and identifying items that may require instructor review.
- Identifying the behaviours of successful exam-takers may allow us to develop effective exam-taking strategies and personal recommendations for students.
- Analysing exam logs may also provide an additional tool for identifying struggling students and items in need of revision.