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Item Response Theory2
Scaling2
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Reliability1
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Applied Psychological…1
Journal of Educational…1
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Camilli, Gregory1
Hambleton, Ronald K.1
Robin, Frederic1
Xing, Dehui1
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Rasch Scaling Program (RSP).
Peer reviewed Peer reviewed
Robin, Frederic; Xing, Dehui; Hambleton, Ronald K. – Applied Psychological Measurement, 1999
The Rasch Scaling Program (RSP) is a software package for applying the one-parameter logistic (Rasch) model to dichotomously scored item response data. RSP contains a thorough introduction to the Rasch model (1960, 1980) including explanations of the estimation methods and directions for running the program. (SLD)
Descriptors: Computer Software, Estimation (Mathematics), Item Response Theory, Scaling
Measurement Error, Multidimensionality, and Scale Shrinkage: A Reply to Yen and Burket.
Peer reviewed Peer reviewed
Camilli, Gregory – Journal of Educational Measurement, 1999
Yen and Burket suggested that shrinkage in vertical equating cannot be understood apart from multidimensionality. Reviews research on reliability, multidimensionality, and scale shrinkage, and explores issues of practical importance to educators. (SLD)
Descriptors: Equated Scores, Error of Measurement, Item Response Theory, Reliability