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201.
Matthew S. Thiese Zachary C. Arnold Skyler D. Walker 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2015,25(1):5-11
Statistics are the primary tools for assessing relationships and evaluating study questions. Unfortunately, these tools are often misused, either inadvertently because of ignorance or lack of planning, or conspicuously to achieve a specified result. Data abuses include the incorrect application of statistical tests, lack of transparency and disclosure about decisions that are made, incomplete or incorrect multivariate model building, or exclusion of outliers. Individually, each of these actions may completely invalidate a study, and often studies are victim to more than one offense. Increasingly there are tools and guidance for researchers to look to, including the development of an analysis plan and a series of study specific checklists, in order to prevent or mitigate these offenses.Key words: a priori, analytical plan, statistical methods, disclosure, transparency, biostatistics 相似文献
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ABSTRACTSimple survival is the first condition for accessible and responsibly curated documents carrying Native voices. This article explores stewardship practices of an existing collection at the Washington State University Libraries, the Lucullus V. McWhorter Papers. McWhorter was an amateur historian and one of his most important cultural informants was his friend, author Christine Quintasket (Mourning Dove). This article considers the McWhorter Papers and the Quintasket materials from two disciplinary perspectives, those of an academic historian and a librarian and archivist. The authors represent their respective professional fields as they explore this case of highlighting tribal voices within a collection more broadly defined. 相似文献
205.
Organisational stressors are associated with positive and negative outcomes in extant literature; however, little is known about which demands predict which outcomes. Extant theory and literature also suggests that coping style may influence an individual’s resilience or vulnerability to stressors and, subsequently, their psychological responses and outcomes. The purpose of this study was, therefore, to examine the main effects of organisational stressors and coping styles on various outcomes (e.g., positive and negative affect, performance satisfaction). Sport performers (n = 414) completed measures of organisational stressors, coping styles, positive and negative affect, and performance satisfaction. Multiple regression analyses revealed positive relationships of both goals and development stressors (duration and intensity) and team and culture stressors (frequency and intensity) on negative affect. Furthermore, problem-focused coping was positively related to positive affect, and emotion-focused coping was positively related to negative affect. This study furthers theoretical knowledge regarding the associations that both organisational stressors (and their dimensions) and coping styles can have with various outcomes, and practical understanding regarding the optimal design of stress management interventions. 相似文献
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Gwen Arnold 《Environmental Education Research》2012,18(1):133-150
The increasing alienation of today’s children from the environment has been termed ‘nature-deficit disorder’. Research suggests this disconnect can adversely impact young people’s physical and psychological well-being. This paper explores whether online multimedia journaling about nature can increase the amount of time students spend outdoors, enhancing their environmental awareness and changing their nature-related perceptions. Students in a 60-person introductory environmental studies course at a large midwestern public university in the United States completed weekly online multimedia nature journals for one semester. A survey assessed their experiences. The median survey respondent spent an additional 11–20 minutes outdoors weekly. Seventy-four percent of respondents said that the project increased their awareness of nature, 68% said it changed the way they thought about nature, and 56% said it increased their interest in spending time outdoors. Though these findings are promising, there are some theoretical reasons for questioning their depth and duration. 相似文献
208.
The Sport Emotion Questionnaire (SEQ) (Jones, M. V., Lane, A. M., Bray, S. R., Uphill, M., & Catlin, J. (2005). Development and validation of the SEQ. Journal of Sport and Exercise Psychology, 27, 407–431) was developed and initially validated to assess sport performers’ pre-competitive emotions. The purpose of this study was to test the factor structure of the SEQ in a different environment (viz. organisational) and at a different time point (viz. the past month). A further aim was to examine if the SEQ was invariant across different groups of sport performers. A diverse sample of athletes (n = 1277) completed the questionnaire. Fit indices from confirmatory factor analyses provided partial support for the hypothesised measurement model, with equal or better fit demonstrated than evident in initial validation. The comparative fit index values were above acceptable guidelines for all factors at subscale level. Evidence was also found for the invariance of the SEQ across different groups. Overall, the findings support the reliability and validity of the SEQ as a measure of the emotions experienced by sport performers in an organisational environment during the past month. 相似文献
209.
Arnold Baca Peter Dabnichki Mario Heller Philipp Kornfeind 《Journal of sports sciences》2013,31(12):1335-1346
Abstract Ubiquitous (pervasive) computing is a term for a synergetic use of sensing, communication and computing. Pervasive use of computing has seen a rapid increase in the current decade. This development has propagated in applied sport science and everyday life. The work presents a survey of recent developments in sport and leisure with emphasis on technology and computational techniques. A detailed analysis on new technological developments is performed. Sensors for position and motion detection, and such for equipment and physiological monitoring are discussed. Aspects of novel trends in communication technologies and data processing are outlined. Computational advancements have started a new trend – development of smart and intelligent systems for a wide range of applications – from model-based posture recognition to context awareness algorithms for nutrition monitoring. Examples particular to coaching and training are discussed. Selected tools for monitoring rules' compliance and automatic decision-making are outlined. Finally, applications in leisure and entertainment are presented, from systems supporting physical activity to systems providing motivation. It is concluded that the emphasis in future will shift from technologies to intelligent systems that allow for enhanced social interaction as efforts need to be made to improve user-friendliness and standardisation of measurement and transmission protocols. 相似文献
210.