Accession Number:

ADA133871

Title:

Comparison of IRT Observed-Score and True-Score 'Equatings'.

Descriptive Note:

Technical rept.,

Corporate Author:

EDUCATIONAL TESTING SERVICE PRINCETON NJ

Report Date:

1983-07-01

Pagination or Media Count:

14.0

Abstract:

Two methods of equating tests using item response theory are compared, one using true scores, the other using estimated observed scores. On the data studied, they yield almost indistinguishable results. This is a reassuring result for users of IRT equating methods. Author

Subject Categories:

  • Psychology

Distribution Statement:

APPROVED FOR PUBLIC RELEASE