When you know nothing about a person's academic ability,the best estimate of his or her academic ability should be based on the
A) mean.
B) Z score.
C) criterion.
D) correlation.

Question

Quizplus · Accepted Answer

When we have no prior information about a person's academic ability, the best estimate would be to use the mean or average performance of a group in which the person belongs to. The mean gives us a general idea of how well the group performs, and serves as a benchmark for comparison. Using a Z score or criterion would require more information about the person's performance and background, while a correlation would require data on the relationship between two variables, which may not be relevant in this case.

When You Know Nothing About a Person's Academic Ability,the Best