Why Can We Not Draw Firm Conclusions from Most Research

Multiple Choice

Why can we not draw firm conclusions from most research on parenting style and children's behavior?​

A) Psychologists have not devised ways to categorize parenting style.
B) ​The research is correlational and not experimental.
C) ​The effects are small and cannot be replicated.
D) ​Different parenting styles seem to lead to differences in children's behavior.