Question:

Which one of the following methods of reliability examines the performance of a psychological test over time?

Updated On: Jan 6, 2025
  • Test-Retest Reliability
  • Split-Half Reliability
  • Inter-Scorer Reliability
  • Alternate Form Reliability
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The Correct Option is A

Solution and Explanation

Test-retest reliability measures the consistency of test results over time by administering the same test to the same group on two separate occasions. A high correlation between the scores indicates reliability.

  • Example: A well-designed IQ test should yield similar results for the same individual when taken weeks apart, assuming no significant external changes.
  • Purpose: Ensures the stability and dependability of a test over time.
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