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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
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Raney, Marcella; Henriksen, Adriel; Minton, Jessica; Lynch, Timothy Joseph – Cogent Education, 2017
Background: Acute physical activity breaks lasting 10--60 min have been related to positive effects on student focus and academic performance. The aim of this study was to evaluate the impact of repeated brief physical activity-infused academic lessons (1-5 min) on student retention and on-task behavior. Methods: One class from each K-2 grade…
Descriptors: Elementary School Students, Persistence, Time on Task, Kindergarten