How do the authors describe the CURRENT reliability of the Asthma Self-Efficacy Questionnaire?
a-they compared the odd & even questions ont the test to determine their equivalence.
b-the team or staff nurses was trained by the primary investigator to ensure that all physiologic measurements were taken using the same methods
c-they tested the current group of subjects using 2 different versions of the same questionnaire(alternate forms reliability)
d- they computed a Cronbach’s alpha on the Asthma Self-Efficacy Questionnaire that was given to this group of subjects.
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