When would a nurse researcher want to use a Cronbach's alpha coefficient to establish the internal consistency of an instrument?
A) When questions are open-ended
B) When questions/statements demand a yes or no response
C) When the instrument uses a Likert-type response scale
D) When the instrument is designed to measure more than one concept

Question

Quizplus · Accepted Answer

Correct C: Cronbach's alpha coefficient provides estimates of homogeneity when instruments are scaled with ordinal responses.
Incorrect A: Open-ended questions elicit textual data that are content analyzed (qualitative analysis).
Incorrect B: KR-20 provides estimates of homogeneity used for instruments that have a dichotomous response format.
Incorrect D: Cronbach's alpha coefficient does not apply to this Answerwer.

When Would a Nurse Researcher Want to Use a Cronbach's