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Elementary Teachers' Science Knowledge and Instructional Practices: Impact of an Intervention Focused on English Language Learners
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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
Emotional and Motivational Outcomes of Lab Work in the Secondary Intermediate Track: The Contribution of a Science Center Outreach Lab
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Itzek-Greulich, Heike; Vollmer, Christian – Journal of Research in Science Teaching, 2017
Students' interest in science declines in secondary school. Therefore, motivating students to become competent and engaged in science topics that are relevant for their everyday lives is an important goal, so they can be better citizens and decision makers with socioscientific issues (e.g., climate change and waste disposal). The present study…
Descriptors: Science Laboratories, Item Response Theory, Hierarchical Linear Modeling, Student Interests
The Effect of Online Collaboration on Middle School Student Science Misconceptions as an Aspect of Science Literacy
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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
Effect of Peer-Led Team Learning (PLTL) on Student Achievement, Attitude, and Self-Concept in College General Chemistry in Randomized and Quasi Experimental Designs
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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
Influencing Student Understanding of the Nature of Science: Data from a Case of Curriculum Development.
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Meichtry, 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