Research has identified characteristics of professional development programmes (PDPs) that are important for accomplishing change in teachers' practice and student achievement. However, these characteristics do not predict and guarantee the outcomes of a specific PDP. In the present study the authors investigated whether the expectancy-value…

The promotion of an adequate understanding of science is a central goal of science education, even in elementary school. In this study, we analyzed the effects of a recently developed science intervention program aimed at fostering the understanding of science as well as the motivation of elementary school--aged boys and girls. In prior research,…