Which of the following statements is not correct?
A) a measure is valid if it truly measures the underlying concept
B) a measure is reliable if it is observable over time
C) a measure is reliable if it is constant
D) both validity and reliability are important in a measure

Question

Quizplus · Accepted Answer

Reliability is not just the ability to observe something over time, but rather the consistency of the observation over time. A measure can be reliable if it gives consistent results, even if those results may not be the "true" measure of the underlying concept. Therefore, statement B is not entirely correct.

Which of the Following Statements Is Not Correct