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How Much Do the Effects of Education and Training Programs Vary across Sites? Evidence from Past Multisite Randomized Trials
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Weiss, Michael J.; Bloom, Howard S.; Verbitsky-Savitz, Natalya; Gupta, Himani; Vigil, Alma E.; Cullinan, Daniel N. – Journal of Research on Educational Effectiveness, 2017
Multisite trials, in which individuals are randomly assigned to alternative treatment arms within sites, offer an excellent opportunity to estimate the cross-site average effect of treatment assignment (intent to treat or ITT) "and" the amount by which this impact varies across sites. Although both of these statistics are substantively…
Descriptors: Randomized Controlled Trials, Evidence, Models, Intervention
Learning Environments as Basis for Cognitive Achievements of Students in Basic Science Classrooms in Nigeria
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Atomatofa, Rachel; Okoye, Nnamdi; Igwebuike, Thomas – Universal Journal of Educational Research, 2016
The nature of classroom learning environments created by teachers had been considered very important for learning to take place effectively. This study investigated the effect of creating constructivist and transmissive learning environments on achievements of science students of different ability levels. 243 students formed the entire study…
Descriptors: Foreign Countries, Educational Environment, Cognitive Ability, Science Achievement
How Many Are Enough? A Quantitative Analysis of the Effects of the Number of Response Options on the Academic Performance of Students with Disabilities on Large-Scale Assessments
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Freeman, Sarah Reives – ProQuest LLC, 2013
The main focus of this study is to determine the effect of test design on the academic performance of students with disabilities participating in the NCEXTEND2 modified assessment program during the 2010-2011 school year. Participation of all students in state and federal accountability measure is required by No Child Left Behind (2001) and the…
Descriptors: Disabilities, Academic Achievement, Test Construction, Educational Assessment
Virtual Communities in Schools as Tools to Promote Social Capital with High Schools Students
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Tomai, Manuela; Rosa, Veronica; Mebane, Minou Ella; D'Acunti, Alessia; Benedetti, Maura; Francescato, Donata – Computers & Education, 2010
The general aim of this study was to test the hypothesis that students belonging to a school online community would show higher levels of both offline bridging and bonding social capital than a control group of students, not using the online community. We further hypothesized that the more students used the online community the higher their level…
Descriptors: Control Groups, Social Capital, High School Students, Hypothesis Testing