Cronbach's Alpha Is a Way to Assess the _____ of an Index

Multiple Choice

Cronbach's alpha is a way to assess the _____ of an index. For an index to be considered "acceptable" for research purposes in the social sciences, alpha values should be _____.

A) reliability … below 0.25
B) reliability … 0.70 or higher
C) validity … below 0.25
D) validity … 0.70 or higher
(Note: * indicates