Pigeons have been trained to correctly spot malignant breast tumors by means of

A) classical conditioning.
B) spontaneous recovery.
C) operant conditioning.
D) modeling.

Operant Conditioning

A system of education that modifies the potency of an action by applying reinforcements or punitive measures.

Malignant Breast Tumors

Cancerous growths in the breast tissue that have the potential to spread to other parts of the body.

Trained Pigeons

Pigeons that have been conditioned or taught to perform specific tasks or respond to certain signals.