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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
