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Lemons, Christopher J.; Fuchs, Douglas; Gilbert, Jennifer K.; Fuchs, Lynn S. – Educational Researcher, 2014
Experimental and quasi-experimental designs are used in educational research to establish causality and develop effective practices. These research designs rely on a counterfactual model that, in simple form, calls for a comparison between a treatment group and a control group. Developers of educational practices often assume that the population…
Descriptors: Educational Research, Research Design, Models, Control Groups
Cruce, Ty M. – ACT, Inc., 2015
This report provides a non-technical overview of the guiding research questions and research design for the ACT-led core research program conducted on behalf of the GEAR UP College and Career Readiness Evaluation Consortium (CCREC). The core research program is a longitudinal study of the effectiveness of 14 GEAR UP state grants on the academic…
Descriptors: Research Projects, Research Design, Longitudinal Studies, College Readiness
Holman, Lester Donnie – ProQuest LLC, 2011
In an ex post facto causal-comparative research design, this study investigated the effectiveness of Automated Writing Evaluation (AWE) programs on raising the student writing achievement. Tennessee Comprehensive Assessment Program (TCAP) writing achievement scores from the 2010 administration were utilized for this study. The independent variable…
Descriptors: Writing Ability, Writing Achievement, Writing Skills, Writing Evaluation
Sanogo, Youssouf; Gilman, David – 1994
This study investigated the possible causes of the contradiction between the results of two projects. Indiana's Prime Time project compared the achievement of students in large (averaging 26 students) and small (averaging 19 students) classrooms in grades 1 through 3. Results indicated that 3 years in smaller classes had little effect on student…
Descriptors: Academic Achievement, Class Size, Elementary School Students, Evaluation Problems