| Summary: | 碩士 === 國立臺灣師範大學 === 體育學系在職進修碩士班 === 90 === Abstract
This study examined how the interventions affect the stages of physical activity among studied adolescents. Junior high school students (N = 381) completed a questionnaire assessing their current status of physical activity participation. Percentage distribution of the sample across the stages was : precontemplation, 11.8% (n = 45); contemplation, 15.5% (n = 59); preparation, 32.5% (n = 124); action, 23.9% (n = 91); and maintenance, 23.9% (n = 91). The experiment was conducted in a group of 213 students, four individual cognitive-behavioral educational sessions were conducted over four weeks. The findings of this study showed that 40 % participants including the control group advance their stage of exercise adoption in precontemplation, contemplation and preparation stages. Chi-Square analyses showed that there were not significant differences between experimental and control groups. The results failed to support the value of interventions to students’ physical activity stages of change. The significant factor of perceived benefit of exercise was health, and major perceived barrier to exercise was time constraints .
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