Researchers usually consider a measure to have adequate interitem reliability if Cronbach's alpha coefficient
A)is zero.
B)exceeds .05.
C)exceeds .50.
D)exceeds .70.

Question

Quizplus · Accepted Answer

Cronbach's alpha is a measure of internal consistency, that is, how closely related a set of items are as a group. A Cronbach's alpha of .70 or higher is considered acceptable in most social science research situations, indicating adequate interitem reliability.

Researchers Usually Consider a Measure to Have Adequate Interitem Reliability