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A General Item Response Theory Model for Unfolding Unidimensional Polytomous Responses
Abstract
The generalized graded unfolding model (GGUM) is developed. This model allows for either binary or graded responses and generalizes previous item response models for unfolding in two useful ways. First, it implements a discrimination parameter that varies across items, which allows items to discriminate among respondents in different ways. Second, the GGUM permits response category threshold parameters to vary across items. Amarginal maximum likelihood algorithm is implemented to estimate GGUM item parameters, whereas person parameters are derived from an expected a posteriori technique. The applicability of the GGUM to common attitude testing situations is illustrated with real data on student attitudes toward abortion.
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Cites
An analysis of variance test for normality (complete samples)
SHAPIRO, S. S., & WILK, M. B. (1965) · Biometrika · doi:10.1093/biomet/52.3-4.591 · Cited by 23,480
Hambleton, R. K., & Swaminathan, H. (1985) · doi:10.1007/978-94-017-1988-9 · Cited by 1,777
Cited by
Kreitchmann, R. S., Abad, F. J., Ponsoda, V., Nieto, M. D., & Morillo, D. (2019) · Frontiers in Psychology · doi:10.3389/fpsyg.2019.02309 · Cited by 269
The Caring-Killing Paradox: Euthanasia-Related Strain Among Animal-Shelter Workers1
Reeve, C. L., Rogelberg, S. G., Spitzmuller, C., & Digiacomo, N. (2005) · Journal of Applied Social Psychology · doi:10.1111/j.1559-1816.2005.tb02096.x · Cited by 146
Teacher Attitudes Towards Students Who Exhibit ADHD-Type Behaviours
Mulholland, S. M., Cumming, T. M., & Jung, J. Y. (2015) · Australasian Journal of Special Education · doi:10.1017/jse.2014.18 · Cited by 50
Ludlow, L. H., Matz-Costa, C., Johnson, C., Brown, M., Besen, E., & James, J. B. (2014) · Measurement and Evaluation in Counseling and Development · doi:10.1177/0748175614522273 · Cited by 22
Clark, P. C., & LaHuis, D. M. (2012) · Organizational Research Methods · doi:10.1177/1094428111403815 · Cited by 21
Metadata
- Authors
- Roberts, J. S., Donoghue, J. R., & Laughlin, J. E.
- Venue
- Applied Psychological Measurement
- Publisher
- SAGE Publications
- Published
- 2000-03
- Volume
- 24
- Issue
- 1
- Pages
- 3-32
- ISSN
- 0146-6216 (ISSN-L)
- 1552-3497
- OpenAlex
- W2020105843
- Cited by
- 320
- References
- 2
- FWCI
- 9.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- Roberts, J. S., Donoghue, J. R., & Laughlin, J. E. (2000). A General Item Response Theory Model for Unfolding Unidimensional Polytomous Responses. Applied Psychological Measurement. https://doi.org/10.1177/01466216000241001
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