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From Planning to Implementation: An Examination of Changes in the Research Design, Sample Size, and Precision of Group Randomized Trials Launched by the Institute of Education Sciences
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Spybrook, Jessaca; Puente, Anne Cullen; Lininger, Monica – Journal of Research on Educational Effectiveness, 2013
This article examines changes in the research design, sample size, and precision between the planning phase and implementation phase of group randomized trials (GRTs) funded by the Institute of Education Sciences. Thirty-eight GRTs funded between 2002 and 2006 were examined. Three studies revealed changes in the experimental design. Ten studies…
Descriptors: Educational Research, Research Design, Sample Size, Accuracy
Students' Performances in Selected Mathematics Teacher Training Programs in North Carolina
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Olaniyi, Olusola Ademola; Olaniyi, Olanike Oluwakemi; Olaniyi, Oluwasemire Ayotunji; Lowe-Nicolas, Serign Omar; Dumeh, Raymond Nwinkom; Omojowo, Adetokunbo Omotade – Online Submission, 2015
(Purpose) The purpose of this study was to examine the effect of math teacher program on students' performances in math teacher training programs in five selected colleges in North Carolina. (Methodology) This study collected 300 data (150 pre-tests and 150 post-tests) data of college students enrolled in the five selected colleges. The ANOVA and…
Descriptors: Mathematics, Mathematics Instruction, Mathematics Teachers, Academic Achievement