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131.
Understanding Emotional Response Theory: The Role of Instructor Power and Justice Messages 总被引:1,自引:1,他引:0
Self‐efficacy is the belief or confidence people have in their ability to achieve their goals. This study tested a path model involving past communicative experience, situation difficulty, self‐efficacy, interpersonal communication competence, and interpersonal communication outcomes. We found that self‐efficacy mediated the effect of past experience and situation difficulty on interpersonal communication outcomes. Interpersonal communication competence directly effected rewarding, satisfying communication. The study also provided concurrent validity information on the Interpersonal Communication Competence Scale, a skills measure of competence that taps 10 dimensions of the construct. 相似文献
132.
Sean M. Horan Rebecca M. Chory Shannon T. Carton Erin Miller Peter C. J. Raposo 《Communication quarterly》2013,61(5):497-518
The purpose of this study was to test whether leader–member exchange theory (LMX) offers an explanatory lens for the program of classroom justice research. To that end, relationships among justice, LMX, and antisocial communication were explored. Findings indicated that perceptions of justice and LMX were positively related. Likewise, perceptions of interactional and procedural justice negatively predicted indirect interpersonal aggression, hostility, and revenge. Similarly, LMX perceptions were negatively related to students’ hostility and revenge and mediated the relationships between students’ perceptions of distributive justice and these outcomes. LMX also moderated the relationships between students’ perceptions of classroom justice and indirect interpersonal aggression and deception. Implications, limitations, and future research are discussed. 相似文献
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134.
Optical chromatography involves the elegant combination of opposing optical and fluid drag forces on colloidal samples within microfluidic environments to both measure analytical differences and fractionate injected samples. Particles that encounter the focused laser beam are trapped axially along the beam and are pushed upstream from the laser focal point to rest at a point where the optical and fluid forces on the particle balance. In our recent devices particles are pushed into a region of lower microfluidic flow, where they can be retained and fractionated. Because optical and fluid forces on a particle are sensitive to differences in the physical and chemical properties of a sample, separations are possible. An optical chromatography beam focused to completely fill a fluid channel is operated as an optically tunable filter for the separation of inorganic, polymeric, and biological particle samples. We demonstrate this technique coupled with an advanced microfluidic platform and show how it can be used as an effective method to fractionate particles from an injected multicomponent sample. Our advanced three-stage microfluidic design accommodates three lasers simultaneously to effectively create a sequential cascade optical chromatographic separation system. 相似文献
135.
Sean Brawley 《国际体育史杂志》2018,35(5):389-410
AbstractThe 40th anniversary of the biennial Sporting Traditions Conference provides a timely opportunity to examine the health of sports history in Australia. This paper identifies three methods through which we can take the temperature of the field and judge its wellbeing. Usually neglected, the first approach is to explore the teaching of sports history in Australia. The second is an analysis of the individuals who have presented to the 21 Sporting Traditions conferences held since 1977 and the content of their papers. The third method is to consider the impact of research in Australian sports history through citations and the other methods used by the Commonwealth of Australia to judge research quality. All three methods support the conclusion that after 40 years sports history’s future in Australia remains far from secure. 相似文献
136.
Thomas Sawczuk Ben Jones Sean Scantlebury Jonathan Weakley Dale Read Nessan Costello 《Measurement in physical education and exercise science》2018,22(1):11-18
This study aimed to evaluate the between-day reliability and usefulness of a fitness testing battery in a group of youth sport athletes. Fifty-nine youth sport athletes (age = 17.3 ± 0.7 years) undertook a fitness testing battery including the isometric mid-thigh pull, counter-movement jump, 5–40 m sprint splits, and the 5–0-5 change of direction test on two occasions separated by 7 days. Usefulness was assessed by comparing the reliability (typical error) to the smallest worthwhile change. The typical error was 5.5% for isometric mid-thigh pull and 3.8% for counter-movement jump. The typical error values were 2.7, 2.5, 2.2, 2.2, and 1.8% for the 5, 10, 20, 30, and 40 m sprint splits, and 4.1% (left) and 5.4% (right) for the 5–0-5 tests. The smallest worthwhile change ranged from 1.1 to 6.1%. All tests were identified as having “good” or “acceptable” reliability. The isometric mid-thigh pull and counter-movement jump had “good” usefulness, all other tests had “marginal” usefulness. 相似文献
137.
Sean F. Brown 《Sport in Society》2018,21(10):1544-1557
AbstractWhen parent relationships form within the context of a youth baseball league, they can and often do facilitate the exchange of benefits to one or more parties, a phenomenon known as social capital. Based on 18 months of fieldwork, approximately 30 interviews, and innumerable casual conversations with parents and league officials, I explore the specific types of resources that were typically shared between parents of a youth baseball league in the American Southwest. I uncovered four specific types of benefits that parents offered and accepted as a result of the relationships they cultivated during baseball seasons: emotional support, information sharing regarding goods and services about town, job information sharing, and childcare. 相似文献
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139.
Medical professionalism in today's society requires the exhibition of a range of qualities deployed in the service of patients, rather than more traditionally defined aspects such as mastery, autonomy and self-regulation. These qualities incorporate demonstrated clinical competence; aspiring to excellence in practice while demonstrating humility and recognition of personal limitations; exercising professional judgement; and maintaining a fiduciary relationship with patients by the earning and maintenance of trust. 相似文献
140.
Kristin E. Porter Sean F. Reardon Fatih Unlu Howard S. Bloom Joseph R. Cimpian 《Journal of research on educational effectiveness》2017,10(1):138-167
A valuable extension of the single-rating regression discontinuity design (RDD) is a multiple-rating RDD (MRRDD). To date, four main methods have been used to estimate average treatment effects at the multiple treatment frontiers of an MRRDD: the “surface” method, the “frontier” method, the “binding-score” method, and the “fuzzy instrumental variables” method. This article uses a series of simulations to evaluate the relative performance of each of these four methods under a variety of different data-generating models. Focusing on a two-rating RDD (2RRDD), we compare the methods in terms of their bias, precision, and mean squared error when implemented as they most likely would be in practice—using optimal bandwidth selection. We also apply the lessons learned from the simulations to a real-world example that uses data from a study of an English learner reclassification policy. Overall, this article makes valuable contributions to the literature on MRRDDs in that it makes concrete recommendations for choosing among MRRDD estimation methods, for implementing any chosen method using local linear regression, and for providing accurate statistical inferences. 相似文献