Clinical Research Directory

Inclusion Criteria: * students are 4rd-7th grade students aged 8-14 years old; * enroll in the school offered physical education classes; * being able to read and write in English; * students can skip any questions they don't want to answer as they respond to the survey questions at the baseline and the post-intervention; and * students can stop the aerobic fitness test at the baseline and the post-intervention Exclusion Criteria: 1. students cannot complete the survey, which means that students had difficulty understanding the meaning of each item due to severe cognitive impairment informed by the school nurse/social worker, 2. students do not submit the survey on time (within a week), 3. if a student only submit one survey either at baseline or at the post-intervention, 4. students cannot take the aerobic fitness test, which means that students had difficulty moving their body due to severe physical impairment informed by school nurse/social worker.