Background: In the present paper, we investigated the association between time spent reading and reading comprehension throughout the lifespan. According to the Matthew effect (or rich-get-richer and poor-get-poorer) model, interindividual differences in reading-related skills between poor and average readers become wider as individuals grow…

The Classroom Environment Study explored instructional quality and classroom management factors as predictors of student cognitive and affective outcomes. The German contribution to this study, involving 39 fifth-grade classrooms and 39 regular and mathematics teachers over a two-year period, is described and results are presented. (Author/MT)