Method:The study was conducted in an inner-city elementary school. All 4th grade students (N= 78) participated in this study. Students' expectancy beliefs and perceived task values were measured using the Expectancy-Value Questionnaire (Xiang, McBride, Guan, & Solmon, 2003). Effort was measured by in-class physical activity level using RT3 accelerometer based activity monitor to record activity calories expenditure (in Metabolic Equivalent unit - MET). The aerobic fitness PACER test was employed at the beginning and the end of the unit.
Analysis/Results:Data were analyzed using a simultaneous multiple regression method. Cronbach's alpha coefficients for the two subscales were .82 and .86, respectively. Descriptive analysis indicated that on average the METS of the lessons of this cardiovascular fitness unit were 4.1. Such result clearly demonstrated that the in-class physical activity level met the moderate intensive level (MET = / > 3.0, Freedson, Pober, & Janz, 2005). Regression results revealed that students' attainment value (β =.37, p <.05) was a significant predictor of their PACER performance (gain score). Students' utility value (β =.57, p <.01) was a strong predictor of their effort in physical education classes.
Conclusions:The result showed that the cardiovascular fitness unit did provide students with high moderate intensive physical activity level, which evidently indicated that physical education could be accounted for the healthy outcomes. The results may also suggest that physical education teachers emphasize the importance and usefulness of being physically active. Once they understand the values of leading a healthy lifestyle, students are more likely to engage in physical activity and achieve more.
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