THE JOINT REPRESENTATION OF CONSTRUCTS AND ELEMENTS IN REPERTORY GRID DATA BY COMPONENT ANALYSIS: SLATER'S INGRID IS NOT THE BEST SOLUTION
The dominant method of analyzing repertory grid data in order to produce a joint spatial representation of constructs and elements has been Slater's INGRID procedure, often labeled "principal components" but more accurately described as a singular-value-decomposition. This approach also involves centering the grid about construct means. In this article, it is shown that this removes a relationship between construct means and first component loadings for constructs. It is also shown, however, that a strong relationship between element means and element first component loadings remains. Ways of overcoming this problem are examined.
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Document Type: Research Article
Affiliations: University of Melbourne, Melbourne, Victoria, Australia
Publication date: April 1, 2004