Original paper
Assessing the Unidimensionality of Psychological Scales: Using Multiple Criteria from Factor Analysis
Abstract
Whenever one uses a composite scale score from item responses, one is tacitly assuming that the scale is dominantly unidimensional. Investigating the unidimensionality of item response data is an essential component of construct validity. Yet, there is no universally accepted technique or set of rules to determine the number of factors to retain when assessing the dimensionality of item response data. Typically factor analysis is used with the...
Paper Details
Title
Assessing the Unidimensionality of Psychological Scales: Using Multiple Criteria from Factor Analysis
Published Date
Aug 13, 2010
Journal
Volume
102
Issue
3
Pages
443 - 461
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Notes
History