Cancer Patients Can Develop an Aversion to Foods They Eat

Multiple Choice

Cancer patients can develop an aversion to foods they eat right before undergoing chemotherapy. Although the foods themselves do not initially cause feelings of illness, pairing them with chemotherapy, which does cause patients to feel sick, leads to the foods becoming associated with these same feelings. This is an example of:

A) classical conditioning.
B) instrumental conditioning.
C) the law of effect.
D) extinction.