Item Response Theory and the validation of an ESP test for health professionals

1 June 1990

journal article
research article
Published by SAGE Publications in Language Testing

Vol. 7 (1) , 52-76
https://doi.org/10.1177/026553229000700105

Abstract

This paper uses a discussion of the role of Rasch model IRT in the validation of two sub-tests of the Occupational English Test to argue for the usefulness of IRT as a tool in the exploration of test constructs and also to consider the implications of the empirical analysis presented for the validity of communica tive language tests involving the skills of speaking and writing.

Keywords

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