Studies (Stoneman et al., 1986; McHale et al., 2001) showed that siblings differing in gender exert some gender socialization effects on each other. Which of the following did researchers find?
◦ Girls and boys with an older sister engage in more masculine play activities.
◦ Older girls with younger brothers show more traditional gender role attitudes than girls with younger sisters.
◦ Girls and boys with an older brother engage in more masculine play activities.
◦ Older boys with younger sisters have more traditional gender role attitudes than boys with younger brothers.