In general,which of the following is TRUE of the relationship between the magnitude of the test-retest reliability estimate and the length of the interval between test administrations?
A) The longer the interval, the lower the reliability coefficient.
B) The longer the interval, the higher the reliability coefficient.
C) The magnitude of the reliability coefficient is typically not affected by the length of the interval between test administrations.
D) The magnitude of the reliability coefficient is always affected by the length of the interval between test administrations, but one cannot predict how it is affected.

Question

Quizplus · Accepted Answer

The longer the interval between test administrations, the higher the chance that factors such as changes in the test-takers' knowledge, abilities, or motivation or changes in the testing conditions or methods may affect their performance differently, leading to lower consistency over time. Therefore, test-retest reliability tends to decrease as the interval becomes longer.

In General,which of the Following Is TRUE of the Relationship