To establish the validity of a measure,a researcher examines
A)the relationship between the scores from 2 administrations of the measure.
B)the relationship between the measure and another measure.
C)the mean difference between the scores from 2 administrations of the measure.
D)the mean difference between the measure and another measure.

Question

Quizplus · Accepted Answer

Examining the relationship between the measure and another measure is the best way to establish the validity of a measure, as it allows the researcher to see if the measure is measuring what it is supposed to measure. This is called criterion-related validity. Option A is measuring reliability, not validity, and option C and D are measuring mean differences, which are not necessarily indicative of validity.

To Establish the Validity of a Measure,a Researcher Examines