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Direct linkCheung, Alan; Slavin, Robert E.; Kim, Elizabeth; Lake, Cynthia – Journal of Research in Science Teaching, 2017
This article reports a systematic review of research on science programs in grades 6-12. Twenty-one studies met inclusion criteria including use of randomized or quasi-experimental assignment to conditions, measures that assess content emphasized equally in experimental and control groups, and a duration of at least 12 weeks. Programs fell into…
Descriptors: Science Programs, Secondary School Science, Program Effectiveness, Quasiexperimental Design
Lee, Okhee; Llosa, Lorena; Jiang, Feng; Haas, Alison; O'Connor, Corey; Van Booven, Christopher D. – Journal of Research in Science Teaching, 2016
As part of a three-year curricular and professional development intervention focused on English language learners (ELLs), this study examined the intervention's effect on teachers' science knowledge and instructional practices after one year of implementation. The P-SELL (Promoting Science Among English Language Learners) intervention comprised…
Descriptors: Elementary School Teachers, English Language Learners, Intervention, Knowledge Base for Teaching
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
Chan, Julia Y. K.; Bauer, Christopher F. – Journal of Research in Science Teaching, 2015
This study investigated exam achievement and affective characteristics of students in general chemistry in a fully-randomized experimental design, contrasting Peer-Led Team Learning (PLTL) participation with a control group balanced for time-on-task and study activity. This study population included two independent first-semester courses with…
Descriptors: Cooperative Learning, Student Characteristics, Comparative Analysis, Peer Teaching
Peer reviewedMeichtry, Yvonne J. – Journal of Research in Science Teaching, 1992
More than 1,600 middle school students, including an experimental group exposed to the Biological Science Curriculum Study (BSCS), were administered the Modified Nature of Scientific Knowledge Scale. Results indicate that the students utilizing the traditional science curriculum possessed a significantly better understanding of the testable nature…
Descriptors: Cognitive Development, Cognitive Measurement, Comparative Analysis, Control Groups
