Final answer:
The active-child framework is best exemplified by instrumental conditioning, also known as operant conditioning.
Step-by-step explanation:
The active-child framework is best exemplified by instrumental conditioning, also known as operant conditioning. In operant conditioning, organisms learn to associate a behavior and its consequence. A pleasant consequence makes that behavior more likely to be repeated in the future. For example, a dog learning to sit when commanded because it receives a treat.