- Article
The ACT Predicts Academic Performance—But Why?
- Alexander P. Burgoyne,
- Kelly M. Stec,
- Kimberly M. Fenn and
- David Z. Hambrick
Scores on the ACT college entrance exam predict college grades to a statistically and practically significant degree, but what explains this predictive validity? The most obvious possibility is general intelligence—or psychometric “g&rdqu...

