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DISCRIMINATION AMONG INDIVIDUALS V. DISCRIMINATION AMONG GROUPS
Author(s) -
LEWY ARIEH
Publication year - 1973
Publication title -
journal of educational measurement
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.917
H-Index - 47
eISSN - 1745-3984
pISSN - 0022-0655
DOI - 10.1111/j.1745-3984.1973.tb00777.x
Subject(s) - intraclass correlation , correlation , selection (genetic algorithm) , psychology , statistics , test (biology) , item analysis , psychometrics , clinical psychology , mathematics , computer science , artificial intelligence , biology , paleontology , geometry
Achievement tests are used for discrimination both among individuals and among classes. Item selection procedures which are recommended for constructing tests for individual differentiation may not be adequate for tests for discrimination among classes. It is suggested that the item intraclass correlation should be used as an index for item selection in tests designed for the measurement of class performance. An example is presented which shows that using the intraclass correlation for item selection yields different results than using item‐test correlation coefficients.