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Paprzycki, Peter; Tuttle, Nicole; Czerniak, Charlene M.; Molitor, Scott; Kadervaek, Joan; Mendenhall, Robert – Journal of Research in Science Teaching, 2017
This study investigates the effect of a Framework-aligned professional development program at the PreK-3 level. The NSF funded program integrated science with literacy and mathematics learning and provided teacher professional development, along with materials and programming for parents to encourage science investigations and discourse around…
Descriptors: Mathematics Achievement, Alignment (Education), Scientific Literacy, Faculty Development
Wendt, Jillian L.; Rockinson-Szapkiw, Amanda – Journal of Research in Science Teaching, 2014
This quantitative, quasi-experimental pretest/posttest control group design examined the effects of online collaborative learning on middle school students' science literacy. For a 9-week period, students in the control group participated in collaborative face-to-face activities whereas students in the experimental group participated in online…
Descriptors: Middle School Students, Misconceptions, Pretests Posttests, Statistical Analysis
Frailich, Marcel; Kesner, Miri; Hofstein, Avi – Journal of Research in Science Teaching, 2009
This study investigated the effectiveness of a web-based learning environment in enhancing 10th grade high-school students' understanding of the concept of "chemical bonding". Two groups participated in this study: an experimental group (N = 161) and a comparison one (N = 93). The teachers in the experimental group were asked to implement four…
Descriptors: Experimental Groups, Qualitative Research, Learning Strategies, Cooperative Learning

West, Leo H. T. – Journal of Research in Science Teaching, 1977
Comments on a journal article that suggests that educational statistics may be compared even in cases where different experimental units are used in the analyses. (MLH)
Descriptors: Educational Research, Experimental Groups, Opinions, Periodicals