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Do preadolescent sport self-concepts influence subsequent sport performance? Longitudinal data (Grades 3, 4, and 6) for young boys and girls (N= 1,135; mean age = 9.67) were used to test reciprocal effects model (REM) predictions that sport self-concept is both a cause and a consequence of sport accomplishments. Controlling prior sport performance (performance-based measures and teacher assessments), prior sport self-concept had positive effects on subsequent sport performance in both Grade 4 and Grade 6 and for both boys and girls. Coupled with previous REM studies of adolescents in the academic domain, this first test for preadolescents in the sport domain supports the generalizability of REM predictions over gender, self-concept domain, preadolescent ages, and the transition from primary to secondary school. 相似文献
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Labeling bias refers to expectations that others might have for a person given a particular label. This study investigated the effects of labeling bias on prognostic outlook for children as a function of diagnostic labels and professional group membership. School psychologists, regular and special education teachers, and introductory psychology students read a vignette that described an elementary-school-aged boy with behavior problems. The vignette was held constant for all participants, but one of four labels (conduct disordered, socially maladjusted, serious emotionally disturbed, no exceptionality) was varied at the end of the vignette. Respondents then estimated the child's likelihood of future success in interpersonal relationships, the likelihood of further behavioral difficulties, and overall adjustment of the child. There was a significant effect noted for diagnostic label across all professionals on the interpersonal relations variable; the serious emotionally disturbed label resulted in judgments of significantly poorer outlook than any other diagnostic label except socially maladjusted. There were no other significant labeling bias effects for the other dependent measures, but a main effect for diagnostic label on judgment of overall adjustment did approach significance. There were no significant effects noted for professional group membership. Professionals should consider the use of a label other than SED to minimize labeling bias effects on judgment of interpersonal adjustment in children with behavioral difficulties. © 1996 John Wiley & Sons, Inc. 相似文献
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An experimental 2 (channel) × 2 (gender) × 3 (time) mixed factorial design (N = 159) was applied to test and compare how individual dimensions of intercultural sensitivity might be affected by two channels: a virtual environment (i.e., Second Life®) versus a Web environment. Using a modified version of Chen and Starosta's Intercultural Sensitivity Scale (ISS), the study sought to identify which of the five ISS dimensions played the most influential role in intercultural sensitivity outcomes: interaction enjoyment, interaction engagement, interaction confidence, interaction attentiveness, or respect for cultural differences. Results showed that one's willingness and effort toward understanding an intercultural interaction – interaction attentiveness – played the greatest and most statistically significant role in intercultural sensitivity outcomes, and that this effect was greatest within the virtual environment channel. Gender effects were also found, in which men experienced greater enjoyment but women expressed more attentiveness. 相似文献
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Lynn A. Darby Ph.D. Jennifer L. Marsh M.Ed. Patricia A. Shewokis Ph.D. Roberta L. Pohlman Ph.D. 《Measurement in physical education and exercise science》2013,17(3):131-148
To adhere to the principle of “exercise specificity” exercise testing should be completed using the same physical activity that is performed during exercise training. The present study was designed to assess whether aerobic step exercisers have a greater maximal oxygen consumption (max VO2) when tested using an activity specific, maximal step exercise test (SET; arms and legs) versus a maximal running test (legs only). Female aerobic step exercisers (N=18; 20.7 ± 1.5 years) performed three maximal graded exercise tests (GXTs): 2 SETs; 1 treadmill test (TMT). The SET consisted of six 3-min progressive stages of alternate lead, basic step, basic step with biceps curls, knee raise with pull-down, repeater knee with pull-down, lateral lunge with pull-down, and side squat with shoulder presses. Stepping rate was 32 steps· min?1 on an 8-in (20.32 cm) step for stages 1–3, and a 10-in (25.4 cm) step for stages 4–6. Submaximal and maximal heart rate (HR) and oxygen consumption (VO2) were recorded at the end of each stage. Test–retest reliability for the first five stages of the SET ranged from .91 to .97 for HR, and from .84 to .96 for VO2. Maximal HR was significantly greater (p =.0001) for the SET (200 ± 6.2 beats·min?1) as compared to the TMT (193 ± 7.9 beats·min?1). No significant difference was found for max VO2 (42.9 ± 8.5, 41.2 ± 5.9 ml·kg?1·min?1, p =.14). The SET was a valid and reliable protocol for assessing responses of these aerobic step exercisers; however, max VO2 from a TMT did not differ significantly from the SET. Conversely, max HR obtained from the criterion TMT was 7 beats·min?1 lower than from the SET. If a training HR for step exercise (arms and legs exercise) is prescribed based on the max HR from treadmill exercise (legs only), then the training HR should be calculated from a TMT max HR that has been increased by 7 beats·min?1 to obtain an intensity of step exercise comparable to that of running. 相似文献
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Julie Gainsburg 《Journal of Mathematics Teacher Education》2012,15(5):359-379
A major research concern for teacher education is the impact of university credentialing programs on K-12 teaching and the disjuncture between university-promoted practices and what teachers actually do in their classrooms. In particular, mathematics-credential programs typically promote reform-oriented methods, while mathematics teaching in the US remains largely traditional. Proposed explanations for the limited uptake of university-promoted mathematics-teaching methods have included new teachers’ struggle to bridge the “two worlds” of the university and school, the relative difficulty of reform-oriented teaching, and the failure of the standard teacher-preparation model that teaches general pedagogical concepts prior to specific teaching tools and practices. In this study, interviews of 19 first- through 4th-year secondary-level mathematics teachers—graduates of a single credential program—investigated the factors, internal and external to the credential program, that these teachers perceived to support or impede their implementation of certain university-taught practices. The findings are used to examine previously proposed explanations for limited uptake, and recommendations are made for credential programs and employing schools. 相似文献
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Analyzing interdisciplinarity: Typology and indicators 总被引:1,自引:0,他引:1
Both funding agencies and scholars in science studies have become increasingly concerned with how to define and identify interdisciplinarity in research. The task is tricky, since the complexity of interdisciplinary research defies a single definition. Our study tackles this challenge by demonstrating a new typology and qualitative indicators for analyzing interdisciplinarity in research documents. The proposed conceptual framework attempts to fulfill the need for a robust and nuanced approach that is grounded in deeper knowledge of interdisciplinarity. As an example of using the framework, we discuss our empirical investigation of research proposals funded by a national funding agency in Finland. 相似文献