Question

2. According to Piaget, many 16 year-olds have reached the cognitive stage called:
a. Preconventional thought
b. B. formal operational thought
c. Concrete operational
d. Postconventional thought


Please help me and Thank you so much!

Answer 1

http://honolulu.hawaii.edu/intranet/committees/FacDevCom/guidebk/teachtip/piaget.htm