.The difference between two individuals' scores should not be considered significant unless the difference is at least ___________ the standard error of measurement of the measure.
A)equal to
B)twice
C)three times
D)four times

Question

Quizplus · Accepted Answer

The difference between two individuals' scores is generally considered significant if it is at least twice the standard error of measurement. This rule of thumb helps to ensure that observed differences are not simply due to measurement error.

The Difference Between Two Individuals' Scores Should Not Be Considered