A Particular Aptitude Test Shows a Moderate Correlation with College

question 75

Multiple Choice

A particular aptitude test shows a moderate correlation with college GPA.Some argue that many students who would not have succeeded in college anyway choose not to take the test or attempt college work, thus resulting in a form of self-preselection.What would be the effect on the validity index of the aptitude test if every high school senior took the test and attempted one year of college?

• A) Validity would increase.
• B) Validity would decrease.
• C) No effect on validity.
• D) Impossible to predict.

---

Definitions:

Achiral

Lacking chirality; not having a non-superimposable mirror image.

Asymmetric Carbon

An asymmetric carbon, also known as a chiral carbon, is a carbon atom that is attached to four different groups, making its mirror image not superimposable on itself.

R or S

A system for specifying the configuration of chiral centers in molecules, based on the CIP (Cahn-Ingold-Prelog) priority rules.

Asymmetric Carbon

A carbon atom bonded to four different atoms or groups, making it a center of chirality and pivotal in the study of stereochemistry.