Measurement invariance with respect to groups is an essential aspect of the fair use of scores of intelligence tests and other psychological measurements. It is widely believed that equal factor loadings are sufficient to establish measurement invariance in confirmatory factor analysis. Here, it is shown why establishing measurement invariance…

A true-false measure concerning the interpretation of intelligence quotients (IQ) is presented. The correct responses to the 10 items, and a brief explanation of each, are also included. The author attempts to reveal many misconceptions about the interpretation of IQ scores. (DWH)

Discusses the effects of schooling on the development of intelligence in children and how the amount of schooling should be considered when developing norms for turning intelligence test performance into IQ scores. Suggests that because of differences in schooling among same-age children, use of age-based norms results in biased deviation IQS.…

Tracing the development of the Otis test series, the author argues that there will be a continuing demand for group-administered general mental ability tests in education. He foresees a need for better ways of relating ability test scores with skills and achievements to make them more educationally useful. (Author/JAZ)