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Mathematiklehrkräfte haben im Unterricht oft unmittelbar über die fachliche Korrektheit von Schülerantworten zu urteilen. Im Rahmen der COACTIV-Studie wurde ein Computerinstrument neu entwickelt, bei dem Mathematiklehrkräfte auf dem Bildschirm präsentierte (fiktive) Schülerantworten möglichst schnell im Hinblick auf deren fachliche Richtigkeit zu beurteilen hatten. Neben einer Diskussion der Testgütekriterien...
Research interest in the professional knowledge of mathematics teachers has grown considerably in recent years. In the COACTIV project, tests of secondary mathematics teachers’ pedagogical content knowledge (PCK) and content knowledge (CK) were developed and implemented in a sample of teachers whose classes participated in the PISA 2003/04 longitudinal assessment in Germany. The present article investigates...
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