This report summarizes some of the evidence supporting interpretations of scores from the enhanced ACT, focusing on reliability, concurrent validity, predictive validity, and score comparability. The authors argue that the evidence presented in this report supports the interpretation of scores from the enhanced ACT as measures of high school…

There is a tradeoff between scale length and psychometric concerns. The two are, in fact, directly linked. Generally, when scales are shortened, reliability is reduced, and when scales are lengthened, reliability is improved, provided the items added to the scale are comparable psychometrically (AERA et al., 2014). Scale reliability, in turn,…

This meta-analytic path analysis presents evidence that first-year academic performance (FYAP), measured by first-year grade point average (FYGPA) plays the major role in determining second-year student retention and that socioeconomic status (SES), measured by parental income, plays a negligible role. Based on large sample data used in a previous…