When Using Likert Scaling Researchers Often Combine Survey Items Resulting

Multiple Choice

When using Likert scaling researchers often combine survey items resulting in a single value to represent the construct being measured. In doing so the researcher must be confident that the survey is internally reliable. As a measure of internal reliability they should report

A) Cohen's d.
B) Cronbach's alpha.
C) ANCOVA.
D) measures of predictive validity.