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Kelcey, Ben; Spybrook, Jessaca; Phelps, Geoffrey; Jones, Nathan; Zhang, Jiaqi – Journal of Experimental Education, 2017
We develop a theoretical and empirical basis for the design of teacher professional development studies. We build on previous work by (a) developing estimates of intraclass correlation coefficients for teacher outcomes using two- and three-level data structures, (b) developing estimates of the variance explained by covariates, and (c) modifying…
Descriptors: Faculty Development, Research Design, Teacher Effectiveness, Correlation
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Hill, Oliver W.; Serpell, Zewelanji; Faison, M. Omar – Journal of Experimental Education, 2016
This article describes two studies testing the efficacy of a commercial one-on-one cognitive training program (LearningRx) and its computer-based version (Brainskills) in laboratory and school settings. Study 1 tested Brainskills in a laboratory setting with 322 middle school students. Paired "t"-tests revealed significant gains on all…
Descriptors: Program Effectiveness, Individual Instruction, Computer Assisted Instruction, Middle School Students