How should a nurse researcher interpret a Cronbach's alpha coefficient ranging from 0.84 to 0.92 for the dimensions of an instrument?
A) Test-retest reliability must be established.
B) A Kuder-Richardson coefficient is preferred.
C) The instrument has high internal consistency reliability.
D) The instrument requires parallel form testing.

Question

Quizplus · Accepted Answer

Correct C: The coefficients provide evidence of high internal consistency reliability.
Incorrect A: Test-retest reliability is not suggested in the example.
Incorrect B: Kuder-Richardson would be required only if the items were scored as dichotomous data.
Incorrect D: Parallel form reliability testing is not necessarily the next step.

How Should a Nurse Researcher Interpret a Cronbach's Alpha Coefficient