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Direct linkWiberg, Marie; Sundstrom, Anna – Practical Assessment, Research & Evaluation, 2009
A common problem in predictive validity studies in the educational and psychological fields, e.g. in educational and employment selection, is restriction in range of the predictor variables. There are several methods for correcting correlations for restriction of range. The aim of this paper was to examine the usefulness of two approaches to…
Descriptors: Predictive Validity, Predictor Variables, Correlation, Mathematics
Download full textMellenbergh, Gideon J.; Vijn, Pieter – 1980
Data are summarized in Scheuneman's Score x Group x Response frequency table in order to investigate item bias. The data can arise from two different sampling models: (1) multinomial sampling in which a fixed sample size is used and the responses are cross-classified according to score, group, and response; and (2) product-multinomial sampling in…
Descriptors: Black Students, Cognitive Measurement, Foreign Countries, Latent Trait Theory
