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Direct linkPark, Yujeong; Benedict, Amber E.; Brownell, Mary T. – Exceptionality, 2014
The factor structure of the CORE Phonics Survey was analyzed using a sample of 165 students in upper elementary school with specific learning disabilities. Confirmatory factor analysis was used to identify the hypothesized constructs of the CORE Phonics Survey and predictive validity of the CORE Phonics Survey to predict students' success in word…
Descriptors: Factor Structure, Factor Analysis, Phonics, Reading Skills
Peer reviewedSpeece, Deborah L. – Exceptionality, 1995
This article describes the strengths and weaknesses of different models of classification (primarily monothetic and polythetic) and then focuses on cluster analysis as a method of pursuing a polythetic model. Design features that need to be incorporated in a cluster analytic study are discussed in relation to theory formulation, internal validity,…
Descriptors: Classification, Cluster Analysis, Models, Research Design
