Exhibit 12-1 Suppose a researcher investigated the judgments of guilt made by jurors in response to attractiveness (attractive vs unattractive)and facial expression (neutral vs smiling).
Refer to Exhibit 12-1.Suppose your results indicated a main effect for attractiveness as your only significant finding.This would mean that
A) Attractiveness alone was responsible for juror guilt decisions
B) Facial expression alone was responsible for juror guilt decisions
C) Both attractiveness and facial expression was responsible for juror guilt decisions
D) Nothing; You can never believe main effects in a factorial experiment

Question

Quizplus · Accepted Answer

A main effect for attractiveness indicates that attractiveness alone had a significant impact on the juror guilt decisions, while facial expression did not play a significant role.

Exhibit 12-1 Suppose a Researcher Investigated the Judgments of Guilt