Publication Date
In 2025 | 0 |
Since 2024 | 0 |
Since 2021 (last 5 years) | 0 |
Since 2016 (last 10 years) | 1 |
Since 2006 (last 20 years) | 2 |
Descriptor
Author
Bloom, Howard S. | 1 |
Dietz, Samantha | 1 |
Enders, Craig | 1 |
Krawec, Jennifer | 1 |
Montague, Marjorie | 1 |
Porter, Kristin | 1 |
Raudenbush, Stephen W. | 1 |
Weiss, Michael J. | 1 |
Publication Type
Journal Articles | 2 |
Reports - Research | 2 |
Education Level
Elementary Education | 1 |
Grade 7 | 1 |
Junior High Schools | 1 |
Middle Schools | 1 |
Secondary Education | 1 |
Audience
Location
Florida | 2 |
California | 1 |
Laws, Policies, & Programs
Assessments and Surveys
Florida Comprehensive… | 1 |
What Works Clearinghouse Rating
Meets WWC Standards with or without Reservations | 1 |
Bloom, Howard S.; Raudenbush, Stephen W.; Weiss, Michael J.; Porter, Kristin – Journal of Research on Educational Effectiveness, 2017
The present article considers a fundamental question in evaluation research: "By how much do program effects vary across sites?" The article first presents a theoretical model of cross-site impact variation and a related estimation model with a random treatment coefficient and fixed site-specific intercepts. This approach eliminates…
Descriptors: Evaluation Research, Program Evaluation, Welfare Services, Employment
Montague, Marjorie; Krawec, Jennifer; Enders, Craig; Dietz, Samantha – Journal of Educational Psychology, 2014
The effects of a mathematical problem-solving intervention on students' problem-solving performance and math achievement were measured in a randomized control trial with 1,059 7th-grade students. The intervention, "Solve It!," is a research-based cognitive strategy instructional intervention that was shown to improve the problem-solving…
Descriptors: Middle School Students, Secondary School Mathematics, Mathematics Skills, Problem Solving