Researchers Examining the Links Between the Big Five Factors and Placebo

Researchers examining the links between the Big Five Factors and placebo responding has found that

A) people scoring low in agreeableness were more likely to experience placebo effects.
B) people scoring low in openness were more likely to experience placebo effects.
C) people scoring high in extraversion were more likely to experience placebo effects.
D) people scoring high in conscientiousness were more likely to experience placebo effects.
E) people scoring high in neuroticism were more likely to experience the placebo effects.