During Magazine Training, When a Pigeon Is Placed in a Chamber

Multiple Choice

During magazine training, when a pigeon is placed in a chamber for the first time it may demonstrate a variety of behavioral responses because of ________.

A) Conditioned aversive stimuli
B) Respondent conditioning to perceive the chamber as aversive
C) The novel features in the chamber that may serve as aversive stimuli
D) Conditioned positive stimuli that activate pleasure mechanisms in the bird's brain