The concept that preschool-age children believe that differences in sex are based, not on biological factors, but on the differences in boys' and girls' appearance and/or behavior(s) is expressed by what researcher and theory?

a) Skinner; social learning theory
b) Freud; psychoanalytic theory
c) Erikson; conflict-resolution theory
d) Kohlberg; cognitive-developmental theory

d

Psychology

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During the growth spurt, females gain more fat than males do

Indicate whether this statement is true or false.

Psychology

The role of experience, focusing on whether actions are rewarded or punished, is a central tenet in ____ theory

a. learning b. lifespan c. epigenetic d. cognitive-developmental

Psychology