While the relationship between self-determination and the academic achievement of students has been widely tested across cultures and groups, limited research has examined the antecedents of self-determination and their impacts on school engagement, which is the pre-requisite of academic achievement. The present study, based on the self-system processes model of motivation, tested the relationships between peer support, school support, self-determination, and school engagement in 118 secondary school students with special needs integrated into mainstream schools in Hong Kong. The results showed that school support has a significant indirect effect on school engagement via self-determination as a mediator. The correlations between school support, self-determination, and school engagement are all positive and significant, whereas peer support did not correlate with school engagement. Controlling for the factors of peer and school support, self-determination was the strongest predictor of school engagement for students with special needs. The current findings may highlight the importance of school support and self-determination interventions to enhance the school engagement of students with special needs in inclusive educational settings. Copyright © 2020 Informa UK Limited, trading as Taylor & Francis Group.

Background: Schools present venues for physical activity promotion among youth, with physical education (PE) considered the primary vehicle responsible for increasing activity levels. Yet students are not very physically active during typical school PE classes. With the aim to engage Hong Kong students in more moderate-to-vigorous physical activity (MVPA) during PE, a fitness infusion intervention using rope skipping was designed, and its effectiveness will be examined. Rope skipping was chosen because a) it provides moderate-to-high intensity physical activity; b) is inexpensive; c) students find it enjoyable; and d) is feasible in typical environments in Hong Kong, where PE classes are large in size (up to 40 students) and space available for physical activity is usually limited. Methods/Design: A matched-pair cluster randomized controlled trial was designed. Secondary school students from 24 classes (from 12 schools) will be recruited to participate in the trial. Students' baseline MVPA will be measured during school PE. Classes will be matched according to baseline variables and one class from each pair will be randomized into the experimental group. Teachers in the experimental group will be invited to attend a teacher workshop, and will insert a 15-minute rope skipping activity in four consecutive PE lessons. Motivational factors based on self-determination theory will also be measured as secondary outcomes. The effectiveness of the intervention will be evaluated by comparing changes in the proportion of lesson time spent in MVPA from baseline to follow-up across the experimental and control groups. Discussion: Physical activity levels in PE are often very low and there is a need to identify feasible low-cost interventions that can be easily disseminated. If the results of the study suggest the intervention to be effective, it could be implemented to schools throughout Hong Kong and other cities where space is limited.
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