(Scenario III) According to Scenario III, There Was a Main

Multiple Choice

(Scenario III) According to Scenario III, there was a main effect for drug consumption, with people receiving the marijuana cigarette with THC being more likely to exhibit risky behavior than those who received the placebo. To arrive at this conclusion, the researchers would have had to examine:

A) interaction means.
B) cell means.
C) marginal means.
D) factorial means.