The association between cannabis use and aggressive or even violent behavior is
a. clear—cannabis increases aggression and violence.
b. clear—cannabis decreases aggression and violence.
c. clear—cannabis increases aggression, but only in males who smoke high doses.
d. clear—cannabis decreases aggression, but only in females who smoke low doses.
e. unclear—conflicting evidence from correlational studies does not allow for causal conclusions to be drawn regarding cannabis’ effects on aggression and violence.
Answer: E
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