Results from Robert Rescorla's Research in Which He Varied the Predictive

Multiple Choice

Results from Robert Rescorla's research in which he varied the predictive power of a conditioned stimulus suggested that

A) the backward-pairing procedure is the best for acquisition of an emotional response
B) human phobias could be treated by increasing the intensity of a positive conditioned stimulus
C) organisms engage in cognitive activity to determine the predictive power of a stimulus
D) some animal species are easier to condition to a particular response than others