Mikahils gender role is being influenced by operant conditioning given the question.
This the use of reinforcement to show behaviors that are approved of and the behaviors that are not approved of.
The reason why this is the answer is the fact that whenever he plays ball, the parents are happy with him. But if he plays with dolls they disapprove.
They are trying to teach him that dolls are for girls.
Read more on operant conditioning here:
https://brainly.com/question/26052515