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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Showing all 4 results
Peer reviewed Peer reviewed
Campbell, Suzann K.; Wright, Benjamin D.; Linacre, J. Michael – Journal of Applied Measurement, 2002
Conducted a Rasch analysis of the psychometric qualities of the Test of Infant Motor Performance (TIMP; G. Girolami and S. Campbell, 1994) for the purpose of reducing the length of the test while maintaining its precision as a measurement device. Using scores from 1,732 tests, the TIMP was reduced to 42 items to form a functional motor scale for…
Descriptors: Infants, Measures (Individuals), Motion, Psychometrics
Peer reviewed Peer reviewed
Linacre, John M.; Wright, Benjamin D. – Journal of Applied Measurement, 2002
Describes an extension to the Rasch model for fundamental measurement in which there is parameterization not only for examinee ability and item difficulty but also for judge severity. Discusses variants of this model and judging plans, and explains its use in an empirical testing situation. (SLD)
Descriptors: Ability, Difficulty Level, Evaluators, Item Response Theory
Peer reviewed Peer reviewed
Chang, Chih-Hung; Wright, Benjamin D. – Journal of Applied Measurement, 2001
Reexamined the standard scoring structure of the revised Minnesota Multiphasic Personality Inventory (MMPI-2) Social Introversion Scale with Rasch measurement using data from 2,600 nonpsychiatric subjects from the restandardization sample. Discusses how to use Rasch measurement to understand and improve personality measurement. (SLD)
Descriptors: Extraversion Introversion, Personality Assessment, Personality Measures, Scoring
Peer reviewed Peer reviewed
Wright, Benjamin D.; Mok, Magdalena – Journal of Applied Measurement, 2000
Presents an overview of Rasch measurement models that begins with a conceptualization of continuous experiences often captured as discrete observations. Discusses the mathematical properties of the Rasch family of models that allow the transformation of discrete deterministic counts into continuous probabilistic abstractions. Also discusses six of…
Descriptors: Item Response Theory, Mathematical Models, Measurement Techniques, Probability