Mary Cover Jones achieved counterconditioning with 'Little Peter' by using

• A. loud noises.
• B. toys.
• C. verbal praise.
• D. food.

Answer: (D)

Verified step by step guidance

1. Understand the concept of counterconditioning: Counterconditioning is a behavioral technique used to replace an undesirable response to a stimulus with a desirable one by associating the stimulus with a positive experience.
2. Identify the subject of the experiment: 'Little Peter' was a child who exhibited fear responses, similar to 'Little Albert' in earlier experiments.
3. Recognize the method used by Mary Cover Jones: She aimed to reduce Peter's fear responses by associating the feared stimulus with a positive experience.
4. Consider the options provided: loud noises, toys, verbal praise, and food. Each option represents a potential positive experience that could be used in counterconditioning.
5. Determine the most effective positive experience: Food is often used in counterconditioning because it is a primary reinforcer that can effectively create positive associations, leading to a reduction in fear responses.