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Multivariate Behavioral…2
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Blashfield, Roger K.1
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Exploratory Factor Analysis with Small Sample Sizes
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de Winter, J. C. F.; Dodou, D.; Wieringa, P. A. – Multivariate Behavioral Research, 2009
Exploratory factor analysis (EFA) is generally regarded as a technique for large sample sizes ("N"), with N = 50 as a reasonable absolute minimum. This study offers a comprehensive overview of the conditions in which EFA can yield good quality results for "N" below 50. Simulations were carried out to estimate the minimum required "N" for different…
Descriptors: Sample Size, Factor Analysis, Enrollment, Evaluation Methods
The Growth of Cluster Analysis: Tryon, Ward, and Johnson.
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Blashfield, Roger K. – Multivariate Behavioral Research, 1980
The growth of literature about cluster analysis is studied through an intensive analysis of the work by Johnson, Tryon, and Ward. A history of their ideas of men is discussed, and comments are made about cognitive vs, noncognitive factors influencing the growth of interest in cluster analysis. (Author/JKS)
Descriptors: Behavioral Science Research, Cluster Analysis, Literature Reviews, Psychological Studies