A researcher assesses the reliability of his index, and finds that the Cronbach's alpha is 0.15. The researcher would want to:
A) proceed, as this alpha value is good
B) proceed with caution, as this alpha value is questionable
C) proceed only if he adds another variable to the index
D) stop and reassess, as the variables in his index do not go together well.

Question

Quizplus · Accepted Answer

Cronbach's alpha is a measure of internal consistency, where values closer to 1 indicate a higher level of reliability. A value of 0.15 suggests poor reliability, indicating that the items in the index may not be measuring the same construct. Therefore, the researcher should stop and reassess the variables in the index.

A Researcher Assesses the Reliability of His Index, and Finds