AIM GlossaryBrowse the glossary:
test-retest
— Consistency of responses over time.
Full explanation:
To assess test-retest reliability the same questionnaire is administered to the same group at two different points in time and the scores are then correlated. Test-retest is used when you want to ensure that the measure gives similar results over time (assuming no meaningful change in the construct).
Interpretation:
• .70–.80 = acceptable
• .80–.90 = good
• .90 = excellent.
Interpretation:
• .70–.80 = acceptable
• .80–.90 = good
• .90 = excellent.
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