Which of the following is a measure of the variability of ratings in a selection instrument?
A.
Reliability quotient
B.
Standard deviation
C.
Validity index
D.
Mode indicator
The Answer Is:
B
This question includes an explanation.
Explanation:
Standard deviation measures the amount of variability or dispersion in a set of scores or ratings. In selection assessments, it helps determine how spread out the ratings are and identifies consistency issues.
Official Extract:
"Standard deviation measures the spread of data points from the mean, providing insight into the consistency of selection ratings and assessment scores."