Multiple choice

Which of the following is an approach to measure reliability?

  1. Negative correlation

  2. Double-blind

  3. Content

  4. Test-retest
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Test-retest reliability involves administering the same test to the same participants on two occasions and measuring the correlation between scores. This directly assesses the consistency of measurement over time, unlike content validity (which concerns validity) or negative correlation (which indicates poor reliability).

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