B) fraternal twins living together is stronger than the average correlation for identical
twins living apart.
C) twin and nontwin siblings living together is stronger than the average correlation for
those living apart.
D) fraternal twins living apart is stronger than the average correlation for nontwin
siblings living together.
Gender schema theory
A) separates the effects of gender stereotyping, gender identity, and gender-role
adoption on children’s behavior.
B) highlights the importance of androgyny for psychological well-being across the
lifespan.
C) integrates gender stereotyping, gender identity, and gender-role adoption into a
unified picture of how masculine and feminine orientations emerge.
D) maintains that gender stereotyping and gender-role adoption are most influential in
adolescence and emerging adulthood.
While the secular trend toward earlier first menstruation has stopped in most
industrialized nations, in the United States
A) the trend has slightly reversed due to improved nutrition.