According to Piaget, by age 6, children enter the stage of ______, in which children are aware of rules and see them as sacred and unalterable.

Vanessa is terrified of becoming fat. Her weight is normal, and most of the time she has normal eating habits, but sometimes she loses control and "binges" on large amounts of food In an effort to avoid becoming fat, Vanessa makes herself throw up after these binges. Vanessa is exhibiting symptoms of ___________.

a. bulimia b. anorexia nervosa c. pica d. the secular trend

At three years old, a typical child has completely developed an understanding of "belief."

Indicate whether the statement is true or false.