This study presents a case for applying a transformation (Box and Cox, 1964) of the criterion used in predictive validity studies. The goals of the transformation were to better meet the assumptions of the linear regression model and to reduce the residual variance of fitted (i.e., predicted) values. Using data for the 2008 cohort of first-time,…

Each year when the Educational Testing Services releases state average SAT (Scholastic Aptitude Test) scores of high school students, Indiana officials are asked why Indiana ranks so low and what's being done to improve it. Leaders reply that scores are lower because more students take the test than in states with higher scores. This report…

The validity of grades in higher education as a measure of what a student has actually learned has been a concern to both the public and academicians for over three decades. This was one of several issues discussed in a report by the National Institute of Education Study Group on Conditions of Excellence in American Higher Education. Furthermore,…

Performance of students of different ethnic backgrounds was studied as they progressed through a traditional academic curriculum. Data from 328 male and 304 female graduates of a Hawaiian laboratory school between 1975 and 1986 demonstrate familiar patterns of ethnic differences in school achievement. Implications for multiethnic societies are…