When Reviewing the Meta-Analytic Findings Relative to the Importance of Staff

When reviewing the meta-analytic findings relative to the importance of staff in changing offender behaviour,the general findings are that:

A) staff who adopt a strong and authoritative approach are more effective than staff who are overly empathic
B) staff who adopt a rehabilitative approach are more effective than staff who are overly strict
C) staff who adopt an approach of encouragement are more effective than staff who are overly authoritative
D) staff who adopt a fair but firm approach are more effective than staff who are overly authoritative or rehabilitative