Which of the following might lead to a decrease in test-retest reliability?
A) the passage of time between the two administrations of the test.
B) coaching designed to increase test scores between the two administrations of the test.
C) practice with similar test materials between the two administrations of the test.
D) All of these

Question

Quizplus · Accepted Answer

All the options listed can lead to a decrease in test-retest reliability. The passage of time can affect the consistency of test scores due to changes in the test-taker's mood, health, or knowledge. Coaching or practice with similar materials can artificially inflate scores on the second administration, thus reducing the reliability of the test in measuring what it is supposed to measure consistently over time.

Which of the Following Might Lead to a Decrease in Test-Retest