The culture of deference     

Shelby Steele 《Academic Questions》1998,12(1):54-62

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Response: Against paternalism     

Shelby Steele 《Academic Questions》1992,5(4):32-35

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Frobisher's Eskimos in England     

Cheshire N  Waldron T  Quinn A  Quinn D 《Archivaria》1980,(10):23-50

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Effects of short-term Rhodiola Rosea (Golden Root Extract) supplementation on anaerobic exercise performance     

Christopher G. Ballmann  Shelby B. Maze  Abby C. Wells  Mallory M. Marshall  Rebecca R. Rogers 《Journal of sports sciences》2019,37(9):998-1003

The purpose of this study was to examine the effects of short-term Rhodiola Rosea (Golden Root Extract (GRE)) supplementation on repeated Wingate performance. Eleven physically active college aged females were recruited for this study. In a within groups counterbalanced study design, participants were supplemented with either 1,500 mg/day of GRE or placebo (gluten-free cornstarch) for 3 days. Participants also took an additional 500 mg dose of corresponding treatment 30 minutes prior to testing of each trial. During each exercise trial, participants completed 3 × 15-second Wingate Anaerobic Tests (WAnTs) separated by 2-minute active recovery periods. Each exercise trial was separated by a 7 day washout period. Over the 3 × 15-second WAnTs, mean watts (p = 0.017, ES = 0.55), mean anaerobic capacity (p = 0.025, ES = 0.96), mean anaerobic power (p = 0.03, ES = 1.07), mean peak watts (p = 0.029,ES = 0.46), and mean total work (p = 0.017, ES = 0.49) were higher in the GRE treatment trial versus placebo. However, mean fatigue index (p = 0.094, ES = 0.39) was unaffected regardless of treatment. Our results show that GRE supplementation enhanced anaerobic exercise performance as measured through repeated WAnTs. GRE may possess ergogenic benefits and findings hold important implications for boosting anaerobic performance in repeated anaerobic bouts of exercise.  相似文献   

Motivation for Educational Attainment in Grade 9 Predicts High School Completion     

Stephen G. West  Jan N. Hughes  Han Joe Kim  Shelby S. Bauer 《Educational Measurement》2019,38(2):27-40

The Motivation for Educational Attainment (MEA) questionnaire, developed to assess facets related to early adolescents’ motivation to complete high school, has a bifactor structure with a large general factor and three smaller orthogonal specific factors (teacher expectations, peer aspirations, value of education). This prospective validity study investigated the utility of each factor in predicting high school dropout or completion of a general education development (GED) certificate versus completion of a high school degree. Participants were 474 (55.1% male) ethnically diverse students who were originally recruited into a larger longitudinal study in Grade 1 on the basis of academic risk. Fourteen years later, 373 had obtained a high school diploma, 15 had obtained a GED, and 86 had dropped out of high school. During their first year of Grade 9, participants were administered the MEA. Using multinomial logistic regression with high school graduation as the reference outcome and controlling for Grade 9 letter grades, reading and math test scores, gender, and ethnic/racial group status, scores on the latent general factor and the latent peer aspirations factor predicted high school dropout versus high school graduation status. Neither the general factor nor any of the three specific factors predicted GED completion versus high school graduation. Ethnicity, but not gender, moderated the associations between scores on the general factor and high school graduation versus dropout.  相似文献   

An NCME Instructional Module on Subscores     

Sandip Sinharay  Gautam Puhan  Shelby J. Haberman 《Educational Measurement》2011,30(3):29-40

The purpose of this ITEMS module is to provide an introduction to subscores. First, examples of subscores from an operational test are provided. Then, a review of methods that can be used to examine if subscores have adequate psychometric quality is provided. It is demonstrated, using results from operational and simulated data, that subscores have to be based on a sufficient number of items and have to be sufficiently distinct from each other to have adequate psychometric quality. It is also demonstrated that several operationally reported subscores do not have adequate psychometric quality. Recommendations are made for those interested in reporting subscores for educational tests.  相似文献   

Student teachers’ prior experiences of history,geography and science: initial findings of an all-Ireland survey1     

Fionnuala Waldron  Janet Varley  Colette Murphy  Richard Greenwood 《Irish Educational Studies》2013,32(2):177-194

Research into student teachers’ perceptions, attitudes and prior experiences of learning suggests that these experiences can exert an influence on practice which can be relatively undisturbed by their initial teacher education. This article is based on the initial findings of an all-Ireland survey of all first-year students on B.Ed. courses in colleges in Northern Ireland and in the Republic of Ireland. The survey is the first stage in a longitudinal study which will follow the same cohort of students for the duration of their initial teacher education, seeking to map and track the development of their ideas about teaching and learning in primary history, geography and science. Based on an analysis of the quantitative data in the entry questionnaire, the initial findings suggest that subject knowledge remains a problematic issue in initial teacher education and that both location and gender interact with knowledge, attitudes and subject area to produce a complex and challenging context for teacher educators in history, geography and science education.  相似文献   

Letter knowledge, phonological processing, and print knowledge: skill development in nonreading preschool children     

Molfese VJ  Modglin AA  Beswick JL  Neamon JD  Berg SA  Berg CJ  Molnar A 《Journal of learning disabilities》2006,39(4):296-305

Development of reading skills was examined in 4-year-old children from low-income homes attending a prekindergarten program. Fall to spring gains in letter identification were examined and compared with skills in phonological processing, rhyme detection, and environmental print, and with performance on a screening tool (Get Ready to Read). It was anticipated that participants might show slow skill development. However, the identification of a large group of children (n = 30) who made little or no gains in letter identification compared to their classmates (n = 27), whose gains averaged 7 letters, was not anticipated. Fall to spring gains in letter identification correlated with phonological processing, rhyme detection, environmental print, and Get Ready to Read! scores. Age and general cognitive skills influenced performance on some tasks. More knowledge of the characteristics of children who show the most variations in skill development may lead to insights on using classroom curriculum to focus on skill development.  相似文献   

A Sport Education Fitness Season’s Impact on Students’ Fitness Levels,Knowledge, and In-Class Physical Activity     

Jeffery Kurt Ward  Danielle D. Wadsworth  Shelby Foote  Sheri J. Brock  Nikki Hollett 《Research quarterly for exercise and sport》2017,88(3):346-351

Purpose: The purpose of this study was to determine the extent to which a sport education season of fitness could provide students with recommended levels of in-class moderate-to-vigorous physical activity (MVPA) while also increasing students’ fitness knowledge and fitness achievement. Method: One hundred and sixty-six 5th-grade students (76 boys, 90 girls) participated in a 20-lesson season called “CrossFit Challenge” during a 4-week period. The Progressive Aerobic Cardiovascular Endurance Run, push-ups, and curl-ups tests of the FITNESSGRAM® were used to assess fitness at pretest and posttest, while fitness knowledge was assessed through a validated, grade-appropriate test of health-related fitness knowledge (HRF). Physical activity was measured with Actigraph GT3X triaxial accelerometers. Results: Results indicated a significant time effect for all fitness tests and the knowledge test. Across the entire season, the students spent an average of 54.5% of lesson time engaged in MVPA, irrespective of the type of lesson (instruction, free practice, or competition). Conclusions: The results suggest that configuring the key principles of sport education within a unit of fitness is an efficient model for providing students with the opportunity to improve fitness skill and HRF knowledge while attaining recommended levels of MVPA.  相似文献   

Generalized habituation of concept stimuli in toddlers     

P J Faulkender  J C Wright  A Waldron 《Child development》1974,45(4):1002-1010

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