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91.
92.
Manore MM Kam LC Loucks AB;International Association of Athletics Federations 《Journal of sports sciences》2007,25(Z1):S61-S71
This paper, which was part of the International Association of Athletics Federations (IAAF) 2007 Nutritional Consensus Conference, briefly reviews the components of the female athlete triad (Triad): energy availability, menstrual status, and bone health. Each component of the Triad spans a continuum from health to disease, and female athletes can have symptoms related to each component of the Triad to different degrees. Low energy availability is the primary factor that impairs menstrual dysfunction and bone health in the Triad. We discuss nutritional issues associated with the Triad, focusing on intakes of macronutrients needed for good health, and stress fractures, the most common injury associated with the Triad. Finally, we briefly discuss screening and treatment for the Triad and the occurrence of the Triad in men. 相似文献
93.
Barr-Anderson DJ Neumark-Sztainer D Schmitz KH Ward DS Conway TL Pratt C Baggett CD Lytle L Pate RR 《Research quarterly for exercise and sport》2008,79(1):18-27
The current study examined associations between physical education (PE) class enjoyment and sociodemographic, personal, and perceived school environment factors among early adolescent girls. Participants included 1,511 sixth-grade girls who completed baseline assessments for the Trial of Activity in Adolescent Girls, with 50% indicating they enjoyed PE class a lot. Variables positively associated with PE class enjoyment included physical activity level, perceived benefits of physical activity, self-efficacy for leisure time physical activity, and perceived school climate for girls' physical activity as influenced by teachers, while body mass index was inversely associated with PE class enjoyment. After adjusting for all variables in the model, PE class enjoyment was significantly greater in Blacks than in Whites. In model testing, with mutual adjustment for all variables, self-efficacy was the strongest correlate of PE class enjoyment, followed by perceived benefits, race/ethnicity, and teachers' support for girls' physical activity, as compared to boys, at school. The overall model explained 11% of the variance in PE class enjoyment. Findings suggest that efforts to enhance girls' self-efficacy and perceived benefits and to provide a supportive PE class environment that promotes gender equality can potentially increase PE class enjoyment among young girls. 相似文献
94.
Research illustrates the positive roles of perceived competence, autonomy, and mastery climate and the negative role of performance climate in student motivation in physical education. Less research has examined perceptions of relationships within this setting (i.e., perceived teacher support and relatedness) and their role in student motivation. The purpose of this study was to test the mediating roles of perceived competence, autonomy, and relatedness in the relationship between social contextual factors and motivation in physical education students (N = 508). Results from structural equation modeling showed that perceived competence, autonomy, and relatedness partially mediated the relationship between perceived teacher support and self-determined motivation and that mastery climate related directly to self-determined motivation. The results highlight the importance of perceived teacher support, mastery climate, and relatedness to motivation in physical education. 相似文献
95.
96.
An early admission procedure is the first step in adjusting formal educational programming to meet the educational, social, and emotional needs of intellectually advanced children. In view of the benefits to the child and potential benefits to society of meeting the intellectually advanced child's needs, it is important that school systems establish early admission policies. This article presents 12 guidelines for processing an early admission applicant. 相似文献
97.
98.
Anne K. Bednar 《Performance Improvement Quarterly》1989,2(1):66-68
One aspect of human resources development in which performance technologists are frequently involved is the establishment of selection procedures and criteria. There is a trend toward increased use of standardized tests in the selection process. A performance technologist might be involved in the selection of, or development of, tests for screening of applicants. Alex L. Chew and John D. Morris in their article “Investigation of the Lollipop Test as a Pre-Kindergarten Screening Instrument” provide a useful review of validation procedures. 相似文献
99.
The technological shift of museums is extensively documented, even if research on the impact of technologies on cultural practices and social patterns at large is still lacking. As part of a research programme conducted by the Louvre and HEC Paris, the article proposes a conceptual analysis of ‘real’ (visiting the museum) and ‘virtual’ (visiting its website) experiences of museums. It contributes to the understanding of whether the two experiences are substitutes or complements using a newly created measurement scale. In addition, the article also aims at enriching the contemporary discussion on the artworks’ aura and the authenticity of the cultural experience in the digital age. 相似文献
100.
Multicultural classrooms and cultural communities of teachers 总被引:1,自引:0,他引:1
This paper addresses issues of teacher adoption of culturally responsive pedagogy through reporting data from a 2-year ethnographic study of a teacher education program located in the U.S.A. The research findings reveal that preservice teachers experience and ultimately adopt a meritocratic and hegemonic system of schooling in which academic performance is viewed in terms of individual abilities and based on mainstream norms. The study suggests that, for substantive changes to take place in multicultural classrooms, teacher educators need to engage in the kind of critical examination which will lead to curricular reform intended to foster alternatives to hegemonic experiences and beliefs. 相似文献