Publications
3 shownLimitations of Coefficient Alpha as an Index of Test Unidimensionality1
Confusion in the literature between the concepts of internal consistency and homogeneity has led to a misuse of coefficient alpha as an index of item homogeneity. Coefficient al...
Exploring the Full-Information Bifactor Model in Vertical Scaling With Construct Shift
To address the lack of attention to construct shift in item response theory (IRT) vertical scaling, a multigroup, bifactor model was proposed to model the common dimension for a...
Frequent Co-Authors
Researcher Info
- h-index
- 3
- Publications
- 3
- Citations
- 1,033
- Institution
- University of Maryland, College Park
External Links
Impact Metrics
h-index
3
h-index: Number of publications with at least h citations each.