Comparison of IRT True-Score and Equipercentile Observed-Score "Equatings"
- 1 September 1984
- journal article
- research article
- Published by SAGE Publications in Applied Psychological Measurement
- Vol. 8 (4) , 453-461
- https://doi.org/10.1177/014662168400800409
Abstract
Two methods of 'equating' tests are compared, one using true scores, the other using equipercentile equat ing of observed scores. The theory of equating is dis cussed. For the data studied, the two methods yield almost indistinguishable results.Keywords
This publication has 2 references indexed in Scilit:
- IRT versus Conventional Equating Methods: A Comparative Study of Scale StabilityJournal of Educational Statistics, 1983
- COMPARISON OF TRADITIONAL AND ITEM RESPONSE THEORY METHODS FOR EQUATING TESTSJournal of Educational Measurement, 1981