We examine the effect of the transition to a separate middle school after grade six on student cognitive, non-cognitive, and perceptual developments in China. We use an approach that combines inverse propensity score weighting and discrete factor approximation to address the endogeneity of the transition. We find that transitioning students report…

This study investigates children's metarepresentational competence with regard to listening to and making sense of simple sonic stimuli. Using diSessa's (2003) work on metarepresentational competence in mathematics and sciences as theoretical and empirical background, it aims to assess children's criteria for representational adequacy of graphical…