Equal numerical differences imply equal differences in whatever is being measured only with
A) age norms.
B) grade norms.
C) percentile norms.
D) standard score norms.

Question

Quizplus · Accepted Answer

Standard score norms are designed to have equal intervals, meaning that the same numerical difference between any two scores represents the same difference in the variable being measured, regardless of where on the scale those scores fall. This property does not necessarily apply to age norms, grade norms, or percentile norms, where differences can represent varying amounts of change depending on the specific part of the scale.

Equal Numerical Differences Imply Equal Differences in Whatever Is Being