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Direct linkNawani, Jigna; Rixius, Julia; Neuhaus, Birgit J. – International Journal of Science Education, 2016
Empirical analysis of secondary biology classrooms revealed that, on average, 68% of teaching time in Germany revolved around processing tasks. Quality of instruction can thus be assessed by analyzing the quality of tasks used in classroom discourse. This quasi-experimental study analyzed how teachers used tasks in 38 videotaped biology lessons…
Descriptors: Biology, Video Technology, Concept Mapping, Foreign Countries
