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Miciak, Jeremy; Taylor, W. Pat; Stuebing, Karla K.; Fletcher, Jack M.; Vaughn, Sharon – Journal of Research on Educational Effectiveness, 2016
An appropriate estimate of statistical power is critical for the design of intervention studies. Although the inclusion of a pretest covariate in the test of the primary outcome can increase statistical power, samples selected on the basis of pretest performance may demonstrate range restriction on the selection measure and other correlated…
Descriptors: Educational Research, Research Design, Intervention, Statistical Analysis
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Garet, Michael S.; Wayne, Andrew J.; Brown, Seth; Rickles, Jordan; Song, Mengli; Manzeske, David – National Center for Education Evaluation and Regional Assistance, 2017
Educator performance evaluation systems are a potential tool for improving student achievement by increasing the effectiveness of the educator workforce. For example, recent research suggests that giving more frequent, specific feedback on classroom practice may lead to improvements in teacher performance and student achievement. This report is…
Descriptors: Performance Based Assessment, Feedback (Response), School Districts, Classroom Techniques
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Garet, Michael S.; Wayne, Andrew J.; Brown, Seth; Rickles, Jordan; Song, Mengli; Manzeske, David – National Center for Education Evaluation and Regional Assistance, 2017
Educator performance evaluation systems are a potential tool for improving student achievement by increasing the effectiveness of the educator workforce. For example, recent research suggests that giving more frequent, specific feedback on classroom practice may lead to improvements in teacher performance and student achievement. This report is…
Descriptors: Performance Based Assessment, Feedback (Response), School Districts, Classroom Techniques
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Wanzek, Jeanne; Petscher, Yaacov; Al Otaiba, Stephanie; Kent, Shawn C.; Schatschneider, Christopher; Haynes, Martha; Rivas, Brenna K.; Jones, Francesca G. – Journal of Research on Educational Effectiveness, 2016
The present study used a randomized control trial to examine the effects of a widely used multicomponent Tier 2-type intervention, Passport to Literacy, on the reading ability of 221 fourth graders who initially scored at or below the 30th percentile in reading comprehension. Intervention was provided by research staff to groups of 4-7 students…
Descriptors: Grade 4, Reading Difficulties, Intervention, Randomized Controlled Trials
Wanzek, Jeanne; Petscher, Yaacov; Al Otaiba, Stephanie; Kent, Shawn; Christopher, Schatschneider; Haynes, Martha; Rivas, Brenna K.; Jones, Francesca G. – Grantee Submission, 2016
The present study used a randomized control trial to examine the effects of a widely-used multi-component Tier 2 type intervention, Passport to Literacy, on the reading ability of 221 fourth graders who initially scored at or below the 30th percentile in reading comprehension. Intervention was provided by research staff to groups of 4-7 students…
Descriptors: Grade 4, Reading Difficulties, Intervention, Randomized Controlled Trials