We present evidence suggesting that the effect of self-explanations on learning is not always beneficial and, in fact, in some contexts has a detrimental effect. Over eight sessions, fourth-graders engaged in investigation of a database with the goal of identifying causal effects. In a separate task, children in one condition also generated…

This study aimed to demonstrate an approach to measuring the value-added contribution to academic achievement made by education, and to identify the direct and indirect effects of a school's practices and its contexts. Multilevel modeling using hierarchical linear model (HLM) was employed to adjust the effect of pupil background characteristics…