Research has shown that "coaching" on aptitude tests
A) has no effect on scores
B) increases test scores by about 2 standard deviations
C) increases test scores by about 1 standard deviation
D) increases test scores by about 1/4 to 1/2 standard deviations

Question

Quizplus · Accepted Answer

Research has shown that coaching on aptitude tests can have a positive effect on scores, with an increase of about 1/4 to 1/2 standard deviations. This suggests that coaching can be helpful in improving test performance. However, it is important to note that the effectiveness of coaching may vary depending on the individual and the type of test being taken.

Research Has Shown That "Coaching" on Aptitude Tests