Most of the middle schools in Belgium are 2-year schools that form a link between the 6 years of elementary education and the last 4 years of secondary education. In Flanders they are regarded as an example of the more global reform of the secondary educational system in a comprehensive sense. First, this document outlines the new system of…

This research examined interactions between internal-external locus of control and other student characteristics, and lectures and two variants of the Personalized System of Instruction. The three treatments varied in degree of study guidance. The research was done with 60 college freshmen in an introductory course on psychodiagnostics. The…

In educational effectiveness research, multilevel models are increasingly used because these models take the multilevel structure of the data into account. In this paper, the effect of ignoring one or more levels of variation in hierarchical linear regression is explored, using a model with four hierarchical levels (individual pupil, class group,…