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ERIC Number: EJ829941
Record Type: Journal
Publication Date: 2009-Mar
Pages: 7
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0033-3123
EISSN: N/A
Alpha, Dimension-Free, and Model-Based Internal Consistency Reliability
Bentler, Peter M.
Psychometrika, v74 n1 p137-143 Mar 2009
As pointed out by Sijtsma ("in press"), coefficient alpha is inappropriate as a single summary of the internal consistency of a composite score. Better estimators of internal consistency are available. In addition to those mentioned by Sijtsma, an old dimension-free coefficient and structural equation model based coefficients are proposed to improve the routine reporting of psychometric internal consistency. The various ways to measure internal consistency are also shown to be appropriate to binary and polytomous items.
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Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A