What do we know about formal operations?
a. The concept was proposed by Erikson.
b. Most people reach this stage by age 7 or 8.
c. Some people never reach this stage.
d. None of these
Question 2
In Piaget's sensorimotor period of development, infants progress from responding to events with ___________________ _, or ready-made schemes, to ___________________ _ behavior.
Fill in the blank(s) with correct word