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Goldman, Susan R.; Greenleaf, Cynthia; Yukhymenko-Lescroart, Mariya; Brown, Willard; Ko, Mon-Lin Monica; Emig, Julia M.; George, MariAnne; Wallace, Patricia; Blaum, Dylan; Britt, M. Anne – American Educational Research Journal, 2019
This article reports the results of a randomized control trial of a semester-long intervention designed to promote ninth-grade science students' use of text-based investigation to create explanatory models of biological phenomena. The main research question was whether the student participants in the intervention outperformed the students in the…
Descriptors: Science Instruction, Intervention, Self Efficacy, Hierarchical Linear Modeling
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Sadler, Philip M.; Sonnert, Gerhard; Coyle, Harold P.; Cook-Smith, Nancy; Miller, Jaimie L. – American Educational Research Journal, 2013
This study examines the relationship between teacher knowledge and student learning for 9,556 students of 181 middle school physical science teachers. Assessment instruments based on the National Science Education Standards with 20 items in common were administered several times during the school year to both students and their teachers. For items…
Descriptors: Pedagogical Content Knowledge, Middle School Teachers, Science Teachers, Middle School Students