Neutrogena is a well-known brand of shampoo sold in a distinctively shaped unbreakable bottle. A major New York store sells shampoo in a nearly identical-looking bottle with its own name on it. Consumers who purchase the private label brand assuming it shares the product attributes of Neutrogena are showing the influence of:
A) stimulus discrimination.
B) extinction.
C) unconditioned stimulus.
D) stimulus generalization.
Answer: D