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ERIC Number: EJ1021246
Record Type: Journal
Publication Date: 2014-Jan
Pages: 13
Abstractor: As Provided
Reference Count: 51
ISBN: N/A
ISSN: ISSN-0165-0254
A Method to Aid in the Interpretation of EFA Results: An Application of Pratt's Measures
Wu, Amery D.; Zumbo, Bruno D.; Marshall, Sheila K.
International Journal of Behavioral Development, v38 n1 p98-110 Jan 2014
This article describes a method based on Pratt's measures and demonstrates its use in exploratory factor analyses. The article discusses the interpretational complexities due to factor correlations and how Pratt's measures resolve these interpretational problems. Two real data examples demonstrate the calculation of what we call the "D matrix," of which the elements are Pratt's measures. Focusing on the rows of the D matrix allows one to compare the importance of the factors to the communality of each observed indicator ("horizontal interpretation"); whereas a focus on the columns of the D matrix allows one to compare the contribution of the indicators to the common variance extracted by each factor ("vertical interpretation"). The application showed that the method based on Pratt's measures is a very simple but useful technique for EFA, in particular, for behavioral and developmental constructs, which are often multidimensional and mutually correlated.
SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: http://sagepub.com
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A