CURRENT RESEARCH IN ORTHODOX JEWISH EDUCATION: STUDIES,MONOGRAPHS, AND ARTICLES BY THE ATID FELLOWS (JERUSALEM)     

Rabbi Jeffrey Saks 《Journal of Jewish Education》2013,79(3):57-62

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Waiting for Superman: Neoliberal Educational Reform and the Craft of Filmic Direction     

Jose Prado  Jeffrey Montez de Oca 《Review of Education, Pedagogy & Cultural Studies》2013,35(4):274-297

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2 scientists on bioethics council say its reports favor Bush ideology     

Brainard J  Blumenstyk G 《The Chronicle of higher education》2004,50(28):A22

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Jury clears cancer center of failing to tell participants of clinical-trial risks     

Blumenstyk G  Brainard J 《The Chronicle of higher education》2004,50(33):A33

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Bush cuts 2 dissenters from federal bioethics advisory council     

Brainard J  Smallwood S 《The Chronicle of higher education》2004,50(27):A25

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Prediction of maximum oxygen consumption from walking, jogging, or running     

Larsen GE  George JD  Alexander JL  Fellingham GW  Aldana SG  Parcell AC 《Research quarterly for exercise and sport》2002,73(1):66-72

The purpose of this study was to develop a submaximal, 1.5-mile endurance test for college-aged students using walking, jogging, or running exercise. College students (N = 101: 52 men, 47 women), ages 18-26years, successfully completed the 1.5-mile test twice, and a maximal graded exercise test. Participants were instructed to achieve a "somewhat hard" exercise intensity (rating of perceived exertion = 13) and maintain a steady pace throughout each 1.5-mile test. Multiple linear regression generated the following prediction equation: VO2 max = 65.404 + 7.707 x gender (1 = male; 0 =female) - 0.159 x body mass (kg) - 0.843 x elapsed exercise time (min; walking, jogging orrunning). This equation shows acceptable validity (R = .86, SEE = 3.37 ml x kg(-1) min(-1)) similar to the accuracy of comparable field tests, and reliability (ICC = .93) is also comparable to similar models. The statistical shrinkage is minimal (R(press) = 0.85, SEE(press) = 3.51 ml x kg(-) x min(-1)); hence, it should provide comparable results when applied to other similar samples. A regression model (R =.90, and SEE = 2.87 ml x kg(-1) min(-1)) including exercise heart rate was also developed: VO2 max = 100.162 +/- 7.301 x gender(1 = male; 0 =female) - 0.164 x body mass (kg) - 1.273 x elapsed exercise time -0.156 x exercise heart rate, for those who have access to electronic heart rate monitors. This submaximal 1.5-mile test accurately predicts maximal oxygen uptake (VO2max) without measuring heart rate and is similar to the 1.5-mile run in that it allowsfor mass testing and requires only a flat, measured distance and a stopwatch. Further, it can accommodate a wide range of fitness levels (from walkers to runners).  相似文献   

2000 Elections     

Jeffrey Smith 《Educational Measurement》1999,18(3):4-4

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The influence of self-determination in physical education on leisure-time physical activity behavior   总被引：1，自引：0，他引：1  

Shen B  McCaughtry N  Martin J 《Research quarterly for exercise and sport》2007,78(4):328-338

Using a multitheory approach, this study was designed to investigate the influence of urban adolescents' perceived autonomy and competence in physical education on their physical activity intentions and behaviors during leisure time. A transcontextual model was hypothesized and tested. Urban adolescents (N=653, ages 11-15 years) completed questionnaires assessing relevant psychological constructs and moderate to vigorous physical activity and then had their cardiorespiratory fitness assessed with the Progressive Aerobic Cardiovascular Endurance Run (PACER) test. Based on our structural equation modeling analyses and fit indexes, the transcontextual model adequately fit the data. We concluded that the two theoretical frameworks--SDT and theory of planned behavior--can be integrated to provide an enhanced understanding of the influence of physical education on leisure-time physical activity. The results revealed that perceived autonomy and competence in physical education are interrelated and function as a whole for enhancing leisure-time physically active intentions and behavior.  相似文献   

Repeated retention testing effects do not generalize to a contextual interference protocol     

Fairbrother JT  Shea JB  Marzilli TS 《Research quarterly for exercise and sport》2007,78(5):465-475

Three experiments examined repeated retention testing effects in a contextual interference (CI) protocol. Retention was assessed at 10 min and 24 hr following acquisition or at just 24-hr for the one-test conditions. Experiments 1 and 2 used speeded-response key-pressing tasks. Dependent measures were total time and errors. Experiment 3 used sequential-timing tasks. Dependent measures were absolute error and absolute constant error Results revealed CI effects in each experiment. Repeated retention testing effects were not found in Experiments 1 and 3. Experiment 2 revealed superior performance by the two-test condition compared to the one-test condition. This result was qualified by possible practice effects during the 10-min test. It was concluded that repeated retention testing does not present problems for most studies of CI.  相似文献   

Carbohydrate and carbohydrate + protein for cycling time-trial performance     

Osterberg KL  Zachwieja JJ  Smith JW 《Journal of sports sciences》2008,26(3):227-233

Carbohydrate intake during endurance exercise delays the onset of fatigue and improves performance. Two recent cycling studies have reported increased time to exhaustion when protein is ingested together with carbohydrate. The purpose of the present study was to test the hypothesis that ingestion of a carbohydrate + protein beverage will lead to significant improvements in cycling time-trial performance relative to placebo and carbohydrate alone. Thirteen cyclists completed 120 min of constant-load ergometer cycling. Thereafter, participants performed a time-trial in which they completed a set amount of work (7 kJ kg(-1)) as quickly as possible. Participants completed four experimental trials, the first for familiarization and then three randomized, double-blind treatments consisting of a placebo, carbohydrate, and carbohydrate + protein. Participants received 250 ml of beverage every 15 min during the constant-load ride. Time-trial performance for carbohydrate (37.1 min, s = 3.8) was significantly (P < 0.05) faster than placebo (39.7 min, s = 4.6). Time-trial performance for carbohydrate + protein (38.8 min, s = 5.5) was not significantly different from either placebo or carbohydrate. Ingestion of a carbohydrate beverage during two hours of constant-load cycling significantly enhanced subsequent time-trial performance compared with placebo. The carbohydrate + protein beverage provided no additional performance benefit.  相似文献