Stefan Krauss|Jürgen Baumert|Werner Blum
Secondary mathematics teachers’ pedagogical content knowledge and content knowledge: validation of the COACTIV constructs
University of Kassel|Max Planck Institute for Human Development|University of Kassel
research interest professional knowledge mathematics teachers grown considerably recent years coactiv project tests secondary mathematics teachers pedagogical content knowledge pck content knowledge ck developed implemented sample teachers whose classes participated pisa 200304 longitudinal assessment germany present article investigates validity coactiv constructs pck ck end coactiv tests pck ck administered various contrast populations namely candidate mathematics teachers mathematics students teachers biology chemistry advanced school students hypotheses populations performance pck ck tests formulated empirically tested addition article compares coactiv approach related conceptualizations findings two research groups