Which of the following is TRUE? A) A valid measure is reliable and vice versa. B) If the random error (X_R) is zero, a measure is both reliable and valid. C) The evaluation of the reliability of a measuring instrument requires a determination of the consistency of independent but comparable measures of the same individual, group, or situation. D) a and c. E) b and c.

Question

Quizplus · Accepted Answer

Reliability refers to the consistency of a measure, and validity refers to the accuracy. A measure can be reliable without being valid. The evaluation of reliability involves checking the consistency of results across different instances.

Which of the Following Is TRUE