Reliability of Summed Item Scores Using Structural Equation Modeling: An Alternative to Coefficient Alpha |
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| Authors: | Samuel B Green Yanyun Yang |
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| Institution: | (1) Arizona State University, P.O. Box 870611, Tempe, AZ 85287-0611, USA;(2) Florida State University, Tallahassee, FL, USA |
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| Abstract: | A method is presented for estimating reliability using structural equation modeling (SEM) that allows for nonlinearity between
factors and item scores. Assuming the focus is on consistency of summed item scores, this method for estimating reliability
is preferred to those based on linear SEM models and to the most commonly reported estimate of reliability, coefficient alpha. |
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| Keywords: | reliability structural equation modeling factor analysis of categorical data reliability of scales with Likert items |
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