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Jordan, Nancy C.; Glutting, Joseph; Dyson, Nancy; Hassinger-Das, Brenna; Irwin, Casey – Journal of Educational Psychology, 2012
Math achievement in elementary school is mediated by performance and growth in number sense during kindergarten. The aim of the present study was to test the effectiveness of a targeted small-group number sense intervention for high-risk kindergartners from low-income communities. Children were randomly assigned to 1 of 3 groups (n = 44 in each…
Descriptors: Problem Solving, Intervention, Control Groups, Mathematics Education
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Clements, Douglas H.; Sarama, Julie – American Educational Research Journal, 2008
A randomized-trials design was used to evaluate the effectiveness of a preschool mathematics program based on a comprehensive model of research-based curricula development. Thirty-six preschool classrooms were assigned to experimental (Building Blocks), comparison (a different preschool mathematics curriculum), or control conditions. Children were…
Descriptors: Experimental Groups, Control Groups, Mathematics Curriculum, Effect Size
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Zucker, Andrew A.; Tinker, Robert; Staudt, Carolyn; Mansfield, Amie; Metcalf, Shari – Journal of Science Education and Technology, 2008
The Technology Enhanced Elementary and Middle School Science II project (TEEMSS), funded by the National Science Foundation, produced 15 inquiry-based instructional science units for teaching in grades 3-8. Each unit uses computers and probeware to support students' investigations of real-world phenomena using probes (e.g., for temperature or…
Descriptors: Mathematical Models, Effect Size, Virtual Classrooms, Grade 7
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Fuchs, Lynn S.; Seethaler, Pamela M.; Powell, Sarah R.; Hamlett, Carol L.; Fletcher, Jack M. – Exceptional Children, 2008
This study assessed the effects of preventative tutoring on the math problem solving of third-grade students with math and reading difficulties. Students (n = 35) were assigned randomly to continue in their general education math program or to receive secondary preventative tutoring 3 times per week, 30 min per session, for 12 weeks.…
Descriptors: Reading Difficulties, Problem Solving, Effect Size, Word Problems (Mathematics)
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Fuchs, Lynn S.; Fuchs, Douglas; Finelli, Robin; Courey, Susan J.; Hamlett, Carol L.; Sones, Estelle M.; Hope, Susan K. – Elementary School Journal, 2006
The purpose of this study was to assess the effects of schema-broadening instruction (SBI), with and without explicit instruction in strategies for tackling the complexities involved in real-life (RL) math problems, on the math problem solving of third-grade students. Teachers (n = 30) were assigned randomly to 3 16-week conditions: control, SBI,…
Descriptors: Grade 3, Effect Size, Problem Solving, Mathematics
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Snyder, Frank; Flay, Brian; Vuchinich, Samuel; Acock, Alan; Washburn, Isaac; Beets, Michael; Li, Kin-Kit – Journal of Research on Educational Effectiveness, 2010
This article reports the effects of a comprehensive elementary school-based social-emotional and character education program on school-level achievement, absenteeism, and disciplinary outcomes utilizing a matched-pair, cluster-randomized, controlled design. The "Positive Action" Hawai'i trial included 20 racially/ethnically diverse…
Descriptors: Student Behavior, Intervention, Academic Achievement, Effect Size
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Fuchs, Lynn S.; Fuchs, Douglas; Craddock, Caitlin; Hollenbeck, Kurstin N.; Hamlett, Carol L.; Schatschneider, Christopher – Journal of Educational Psychology, 2008
This study assessed the effects of small-group tutoring with and without validated classroom instruction on at-risk students' math problem solving. Stratifying within schools, 119 3rd-grade classes were randomly assigned to conventional or validated problem-solving instruction (Hot Math, schema-broadening instruction). Students identified as at…
Descriptors: Intervention, High Risk Students, Problem Solving, Effect Size