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Roberts, James S.; Laughlin, James E. – 1996
Binary or graded disagree-agree responses to attitude items are often collected for the purpose of attitude measurement. Although such data are sometimes analyzed with cumulative measurement models, recent investigations suggest that unfolding models are more appropriate (J. S. Roberts, 1995; W. H. Van Schuur and H. A. L. Kiers, 1994). Advances in…
Descriptors: Attitude Measures, Estimation (Mathematics), Item Response Theory, Mathematical Models