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Direct linkWestine, Carl D. – American Journal of Evaluation, 2016
Little is known empirically about intraclass correlations (ICCs) for multisite cluster randomized trial (MSCRT) designs, particularly in science education. In this study, ICCs suitable for science achievement studies using a three-level (students in schools in districts) MSCRT design that block on district are estimated and examined. Estimates of…
Descriptors: Efficiency, Evaluation Methods, Science Achievement, Correlation
Download full textWestine, Carl D. – Society for Research on Educational Effectiveness, 2015
A cluster-randomized trial (CRT) relies on random assignment of intact clusters to treatment conditions, such as classrooms or schools (Raudenbush & Bryk, 2002). One specific type of CRT, a multi-site CRT (MSCRT), is commonly employed in educational research and evaluation studies (Spybrook & Raudenbush, 2009; Spybrook, 2014; Bloom,…
Descriptors: Correlation, Randomized Controlled Trials, Science Achievement, Cluster Grouping
Buthelezi, T.; Alexander, D.; Seabi, J. – South African Journal of Higher Education, 2009
The study sought to understand adolescents' perceived career challenges and needs in a disadvantaged context using the Social Cognitive Career Theory (SCCT). A qualitative research design based on semi-structured interviews was conducted with 12 Grade 9 and Grade 10 learners from a disadvantaged background. The results of the study indicated a…
Descriptors: Research Design, Qualitative Research, Self Efficacy, Disadvantaged
