A reliability analysis was run on items from a questionnaire and gave rise to a Cronbach's alpha of α = -.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.

Question

Quizplus · Accepted Answer

Cronbach's alpha ranges from -1 to 1, where a negative value suggests a problem with the data, such as failing to reverse-score items that were phrased in the opposite direction of other items. This does not indicate 'inverse reliability' or a direct measure of unreliability, nor is it necessarily a result of having too few items.

A Reliability Analysis Was Run on Items from a Questionnaire