Answer:
Amir praising his 5-year-old son for being "strong and handy" when he "fixes things around the house" with his new toy tool set is an example of positive reinforcement. Positive reinforcement involves providing praise or rewards to encourage a specific behavior. In this case, Amir is praising his son's efforts and skills, which is likely to encourage the child to continue playing with the toy tool set and pretending to fix things around the house.
Step-by-step explanation: