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171.
Mental toughness (MT) is considered a necessary ingredient for high-level performance. Unsurprisingly, scholarly interest in the development of mental toughness has increased over the past decade, with much of this work informed by qualitative designs. No study to date has systematically reviewed and integrated this body of qualitative research on MT development. The primary purpose of this study was to create an integrated theoretical framework that incorporates extant MT development research in sport and performance settings. Three subsequent aims were to (a) systematically review and evaluate the qualitative literature regarding key developmental factors and processes for MT; (b) synthesise knowledge of key developmental factors and processes for MT; and (c) generate an integrated framework that can inform future research and advancement in theory with regard to MT development. Following a systematic search of online journals, search engines, and databases, 10 papers met the criteria for inclusion and were retained. These studies served as the primary data for meta-data, meta-method, and meta-theory analyses, which were integrated using a meta-synthesis approach. Four key themes were identified from the existing qualitative evidence: personal characteristics, interactions with environment, progressive development, and breadth of experience. These unique themes were integrated with existing theory to propose a bioecological model of MT development that encompasses interdependent interactions among the person, proximal processes, context, and time. We describe how this model can be used as a heuristic for research and practice, and underscore the importance of methodological diversity for future work on the development of MT.  相似文献   
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This is a shortened version of an article, to be entitled “Integration and Separatism in Education,” which will be published in January or February, 1970, by Syracuse University Press, Syracuse, New York, one of seven to be printed. Others were written by Nathan Hare, Kenneth Clark, Paul Parks, William Birenbaum, Ronald Walters, and John Doar.  相似文献   
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A method is developed for testing a priori multiple regression models. The method allows one to specify in advance as many unstandardized or standardized coefficients as one wants to and allows the remaining slopes to be free to vary. The comparative strength and predictive power of competing models is accessed by the absolute and proportional difference in R2 and by an accompanying F test. Computer techniques for the procedures are given in the Appendix.  相似文献   
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During the 1991 Persian Gulf War, the apparent success of the Patriot missile defense system served as the official centerpiece of a rhetorical campaign to portray Operation Desert Storm as an unprecedented mission ushering in a new era of American military dominance based on technological superiority. Post‐war disclosures have not only cast serious doubt on Patriot's wartime performance, but have also exposed a widespread program of strategic deception employed by Pentagon officials to protect the fiction of Patriot's Gulf War wizardry. This essay explains how Gulf War audiences were misled, assesses the rhetorical windfall flowing from perceived Patriot effectiveness, and criticizes the Pentagon's campaign of strategic deception as normatively bankrupt.  相似文献   
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The ongoing crisis concerning torture and cruel, inhuman, and degrading treatment of prisoners by U.S. personnel or under U.S. auspices in the “War on Terror” raises issues central to the identity of both church and society. The practice of torture cries out for practical theological reflection inasmuch as it threatens to eviscerate the moral integrity of both American Christian churches and the nation as a whole. Serious practical theological attention needs to be paid to the challenges of teaching youth and adults in mainline Protestant congregations in ways that will move them from awareness to action around the issues raised by the torture crisis.  相似文献   
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