A reliability analysis was run on items from a questionnaire and gave rise to a Cronbach’s alpha of ? = –.8. What is the most likely explanation?
A. There are too few items on the questionnaire.
B. The questionnaire has ‘inverse reliability’.
C. There were reverse-phrased items on the questionnaire that were not reverse-scored before the analysis was done.
D. The questionnaire is unreliable.
Answer: C
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