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James S. Roberts · Study
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Author
James S. Roberts
6 works
· latest 2006
· 3 institutions
cluster: provisional
Works
6 shown
GGUM2004: A Windows-Based Program to Estimate Parameters in the Generalized Graded Unfolding Model
Applied Psychological Measurement
·
2006
·
2 authors
79
citations
Characteristics of MML/EAP Parameter Estimates in the Generalized Graded Unfolding Model
Applied Psychological Measurement
·
2002
·
3 authors
60
citations
A General Item Response Theory Model for Unfolding Unidimensional Polytomous Responses
Applied Psychological Measurement
·
2000
·
3 authors
321
citations
Validity Issues in the Likert and Thurstone Approaches to Attitude Measurement
Educational and Psychological Measurement
·
1999
·
3 authors
166
citations
Evaluating quality-of-life and health status instruments: development of scientific review criteria
Clinical Therapeutics
·
1996
·
7 authors
591
citations
A Unidimensional Item Response Model for Unfolding Responses From a Graded Disagree-Agree Response Scale
Applied Psychological Measurement
·
1996
·
2 authors
113
citations