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Förtsch, Christian; Werner, Sonja; von Kotzebue, Lena; Neuhaus, Birgit J. – International Journal of Science Education, 2016
This study examined the effects of teachers' biology-specific dimensions of professional knowledge--pedagogical content knowledge (PCK) and content knowledge (CK)--and cognitively activating biology instruction, as a feature of instructional quality, on students' learning. The sample comprised 39 German secondary school teachers whose lessons on…
Descriptors: Biology, Science Teachers, Pedagogical Content Knowledge, Science Instruction