In a self-report study, students (N = 704, mean age: 13.5 years) were confronted with two scenarios, depicting situations of motivational conflict. They were asked to choose between a school and a leisure activity. A model was tested with value orientations as determinants and successful self-regulation as the consequence of the decision reached…

Two studies involving approximately 200 children aged 4 to 12 years show the expected increases in the level of cognitive competencies but show that these increases are not universal. Large inter- and intraindividual differences are found for various types of memory tasks as well as for different domains of scholastic achievement. (SLD)

Three models representing different relations between intellectual ability, metacognitive skills, and learning were compared. The conditions under which each of these models holds were investigated, on the basis of the threshold of problematicity theory [Elshout, J. J. (1987). Problem solving and education. In E. De Corte, H. Lodewijks, R.…