An advantage of z-scores is that:
A) persons will score higher on a z-score than on other scores
B) they are easier to obtain than percentile ranks
C) they have higher reliability than other types of scores
D) scores on different instruments can be compared

Question

Quizplus · Accepted Answer

Z-scores allow for comparison across different scales or instruments because they standardize scores by converting them into a common metric based on the mean and standard deviation of the distribution. This makes it possible to compare scores from different tests or measurements on a like-for-like basis.

An Advantage of Z-Scores Is That