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http://www.illinois.edu/ Department of Statistics UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
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email: w-stout1*
phone: 217.333.2167
fax: 217.244.7190
office:
122A Illini Hall
725 S. Wright St.
Champaign, IL 61820
+ more faculty in the statistics department.
+ to statistics department main page.
*AT illinois DOT edu
Professor Emeritus of Statistics
Ph.D. in Statistics, Purdue University, 1967
Research Interests
- Psychometrics
- Multivariate Assessment
Honors and Appointments
- Education Testing Service project leader
- Fellow, Institute of Mathematical Statistics
- Past President of Psychometric Society
Selected Publications
- D. Monrad, W. F. Stout, B. A. Bailey, J.R. Fryxell, R.L. Gould, X. He, V.R. Plessner, and L. Roussos (2001). Statistics, the Craft of Data Collection, Description, and Inference (Second Edition). Mobius Communications.
- Stout, William (2001), "Nonparametric item response theory: A maturing and applicable measurement modeling approach'', Applied Psychological Measurement, 25 (3), 300-306
- Zhang, Jinming, and Stout, William (1999), "Conditional covariance structure of generalized compensatory multidimensional items'', Psychometrika, 64, 129-152.
- Zhang, Jinming, and Stout, William (1999), "The theoretical detect index of dimensionality and its application to approximate simple structure'', Psychometrika, 64, 213-249.
- Nandakumar, Ratna, Yu, Feng, Li, Hsin-Hung, and Stout, William (1998), "Assessing unidimensionality of polytomous data'', Applied Psychological Measurement, 22, 99-115.
- Zhang, Jinming, and Stout, William (1997), "On Holland's Dutch Identity Conjecture'', Psychometrika, 62, 375-392.
- Stout, William, Habing, Brian, Kim, Hae Rim, Roussos, Louis, Zhang, Jinming, and Douglas, Jeff (1996), "Conditional covariance-based nonparametric multidimensionality assessment'', Applied Psychological Measurement, 20, 331-354.
- Stout, William, Nandakumar, Ratna, and Habing, Brian (1996), "Analysis of latent dimensionality of dichotomously and polytomously scored test data'', Behaviormetrika, Journal of the Behaviormetric Society of Japan, 23, 37-65.
- Bolt, Daniel, and Stout, William (1996), "Differential item functioning: Its multidimensional model and resulting sibtest detection procedure'', Behaviormetrika, Journal of the Behaviormetric Society of Japan, 23, 67-95.
- Douglas, Jeffrey A., Stout, William, and DiBello, Louis V. (1996), "A kernel-smoothed version of SIBTEST with applications to local DIF inference and function estimation'', Journal of Educational and Behavioral Statistics, 21, 333-363.
- Li, Hsin-Hung, and Stout, William (1996), "A new procedure for detection of crossing DIF'', Psychometrika, 61, 647-677.
- Chang, Hua-Hua, and Stout, William (1993), "The asymptotic posterior normality of the latent trait in an IRT model'', Psychometrika, 58, 37-52.
- Shealy, Robin, and Stout, William (1993), "A model-based standardization approach that separates true bias/DIF from group ability differences and detects test bias/DTF as well as item bias/DIF'', Psychometrika, 58, 159-194.
- Stout, William F. (1990), "A new item response theory modeling approach with applications to unidimensionality assessment and ability estimation'', Psychometrika, 55, 293-325.
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