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Roth, Kathleen J.; Bintz, Jody; Wickler, Nicole I. Z.; Hvidsten, Connie; Taylor, Joseph; Beardsley, Paul M.; Caine, Arlo; Wilson, Christopher D. – International Journal of STEM Education, 2017
Background: Most studies of teacher professional development (PD) do not rigorously test impact on teaching practice and student learning. This makes it difficult to define what is truly "effective." The "Science Teachers Learning from Lesson Analysis" (STeLLA) PD program, in contrast, was studied in a cluster randomized…
Descriptors: Faculty Development, Video Technology, Teaching Methods, Science Teachers