Professor Nguyen develops a new measure of depression. She administers the measure to two groups of people. One group consists of people with valid psychiatric diagnoses of depression; the other group consists of people who show no symptoms of depression. By comparing the mean scores of the two groups on her new measure, Professor Nguyen is assessing the ________ of her measure.
A) content validity
B) reliability
C) structural validity
D) relational validity

Question

Quizplus · Accepted Answer

Professor Nguyen is assessing the relational validity of her measure by comparing the mean scores of two distinct groups (those with depression diagnoses and those without symptoms) to see if the measure accurately differentiates between them based on their known conditions.

Professor Nguyen Develops a New Measure of Depression