School is a vital setting to enhance student PA (Yu et al., 2021), and unstructured PA during school has been identified as an important way to improve overall PA and is one of five components within the Comprehensive School Physical Activity Program framework (Prevention, 2019). Recess contri...
Their analysis, based on the incorporation of the effect of some specific barriers affecting the attractiveness of the investments, confirms the existence of the "energy paradox". Recently, Moya [8] developed a new general approach to describe the diffusion of innovations in terms of its main ...