If you would have to determine the reliability of a scale (a set of questions),what measure would you use?
A)Cronbach's alpha.
B)Kendall's tau.
C)Levene's test of equality of variances.
D)Pearson's correlation coefficient.

Question

Quizplus · Accepted Answer

Cronbach's alpha is a measure of internal consistency reliability of a scale or set of questions. It assesses the extent to which all the items in a scale measure the same underlying construct or concept. A value of Cronbach's alpha above 0.7 is generally considered acceptable for research purposes.

If You Would Have to Determine the Reliability of a Scale