Final answer:
Utilizing B.F. Skinner's operant conditioning principles, specifically positive reinforcement and shaping, is the most effective way to teach a child to pick up their toys. option a
Step-by-step explanation:
It would be easiest to teach a child to pick up his toys by utilizing the principles and techniques developed by B.F. Skinner. Skinner's theory of operant conditioning focuses on how positive reinforcement and shaping can be used to encourage desired behaviors through rewards. It would be easiest to teach a child to pick up his toys by utilizing the principles and techniques developed by B.F. Skinner. For example, a child could be taught to pick up toys by being praised or receiving a small reward each time they perform the task, gradually shaping the behavior until it is a consistent pattern.