Harry is in college and is asked to imagine what the world would be like if humans had never invented the wheel. According to Piaget, if Harry is able to think abstractly about this problem, Harry is in the ______________ stage of cognitive development.

Respuesta :

Harry must be in the formal operational stage if he has the ability to think and reason abstractly. Abstract thought is the task of the concrete operational stage. Mastery of this concept allows him to move to the final cognitive developmental stage, formal operational.