A General Item Response Theory Model for Unfolding Unidimensional Polytomous Responses IRT GGUM
- Author(s):
-
Roberts, James S.;
Donoghue, John R.;
Laughlin, James E.
- Publication Year:
- 2000
- Source:
-
Applied Psychological Measurement, v24 n1 p3-32, Mar 2000
- Document Type:
- Article
- Page Count:
- 30
- Subject/Key Words:
-
Item Response Theory (IRT),
Attitude Measurement,
Generalized Graded Unfolding Model (GGUM),
Likert scale.,
Marginal Maximum Likelihood Estimation,
Thurstone Scale
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