Previous research has repeatedly confirmed that students with special educational needs (SEN) are generally less accepted by their peers. Although inclusive teaching strategies and classroom characteristics are frequently hypothesised to improve students' social participation, empirical evidence is scarce. Therefore, the purpose of this paper is…

When administering tests across grades, vertical scaling is often employed to place scores from different tests on a common overall scale so that test-takers' progress can be tracked. In order to be able to link the results across grades, however, common items are needed that are included in both test forms. In the literature there seems to be no…