Research on Temperament Indicates That

Research on temperament indicates that

A) the ease with which children manage their reactivity depends on the type and strength of the reactive emotion.
B) only 5 to 10 percent of individual differences in temperament are due to heredity.
C) preschoolers who were highly fearful as toddlers score slightly lower than their agemates in effortful control.
D) boys and girls tend to be equally active and daring throughout childhood.