Chelsea and Anita Are Both Required to Give a Speech

Chelsea and Anita are both required to give a speech supporting a woman's right to abortion on demand in a public-speaking class.Anita believes that Chelsea gave her speech because she is a strong supporter of the right-to-choose movement.Anita is neutral on the topic and only gave her speech because it was assigned.Anita's belief about Chelsea is probably a result of ________.

A) explicit theory formation
B) the actor-observer effect
C) the discounting principle
D) implicit theory formation
E) base rate bias