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The aim of this study was to determine the validity and reliability of 3 physical activity questionnaires in Greek high school children. Forty children participated in the study aged M = 13.73 (SD 0.8 years). The validation study was conducted by comparing an accelerometer (MTI/CSA Model 7164) to 3 questionnaires: a) Three-day Physical Activity Record(More)
The effect of physical activity (PA) on health is well documented. The assessment of PA is a valuable and important issue, however, there are several methodological issues among the available methods of measurement that may have implications for the prevention of specific diseases. The purpose of this study was to examine the differences between an(More)
The purpose of this study was to determine the effect of multimedia computer-assisted instruction (MCAI), traditional instruction (TI), and combined instruction (CI) methods on learning the long jump event. Forty-eight middle school students of seventh and eighth grade were randomly assigned into three teaching method groups: MCAI, TI and CI. Each group(More)
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