To establish the reliability 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

The relationship between the scores from 2 administrations of the measure is the most direct way to establish the reliability of a measure. This can be done through methods such as test-retest reliability or inter-rater reliability. Comparing the scores from different administrations of the same measure can give an indication of how stable the measure is over time or across different raters.

To Establish the Reliability of a Measure,a Researcher Examines