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Peer reviewed
Direct linkAydin, Burak; Leite, Walter L.; Algina, James – Educational and Psychological Measurement, 2016
We investigated methods of including covariates in two-level models for cluster randomized trials to increase power to detect the treatment effect. We compared multilevel models that included either an observed cluster mean or a latent cluster mean as a covariate, as well as the effect of including Level 1 deviation scores in the model. A Monte…
Descriptors: Error of Measurement, Predictor Variables, Randomized Controlled Trials, Experimental Groups
Download full textBrownell, Mary; Kiely, Mary Theresa; Haager, Diane; Boardman, Alison; Corbett, Nancy; Algina, James; Dingle, Mary Patricia; Urbach, Jennifer – Exceptional Children, 2017
Two professional development (PD) models for teachers were compared on teacher and student outcomes. Special education teachers participated in Literacy Learning Cohorts (LLC), a PD innovation designed to improve content and pedagogical knowledge for providing reading instruction to upper elementary students with learning disabilities. The LLC,…
Descriptors: Faculty Development, Special Education Teachers, Literacy Education, Learning Disabilities
