Which of the Following Sentences Is a True Statement About

Which of the following sentences is a true statement about parents' influences on boys' and girls' cognitive development and achievement?

A) Parents tend to treat male and female children similarly until children begin to display gender-typed behavior and attitudes.
B) Parents of males and parents of females tend to have similar rates of verbal interaction with their children.
C) Parents communicate gender-stereotyped expectations through differential encouragement.
D) All of these statements are true.