Last month Walter became sick after eating two chili dogs, so he no longer likes chili dogs. Walter has experienced __________

A) blocking.
B) conditioned taste aversion.
C) operant taste conditioning.
D) noncontingent conditioning.

Walter has experienced conditioned taste aversion, which occurs when a previously appetitive food or drink becomes associated with negative consequences (in this case, becoming sick after eating chili dogs), and the individual subsequently avoids that food or drink.