Which of the Following Is a Conclusion of the Meta-Analysis

Multiple Choice

Which of the following is a conclusion of the meta-analysis performed by Podsakoff,MacKenzie,and Bommer?

A) Leader behaviors were not responsible for variance in employee attitudes.
B) Addition of the substitutes variables reduces the ability to explain variances in criterion variables.
C) Variance explained in the subordinate criterion variables cannot be accounted for the substitutes for leadership variables.
D) Substitutes have very important effects but do not diminish the role of the leader.