What is the main function of the umbilical cord?
A) It provides fluid for the amniotic sac. B) It provides the baby's bloodstream.
C) It connects the placenta to the embryo. D) It serves no real purpose.
C
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History ignores the work of the majority of ____.?
a. ?women b. ?African-Americans c. ?Jews d. ?white me e. ?all psychologists
Sherif's 1954 study involving boys in a camp setting supported the idea that
a. boys are naturally aggressive with each other. b. as long as there is no competition for food, people can get along. c. competition breeds prejudice and hostility. d. games like tug of war can lead to real wars.
Between the ages of two and three, most children are able to label themselves as male or female. In other words, by age three, most children have acquired
a. gender constancy. c. gender identity. b. gender stability. d. gender typicality.
Behaviorists consider homosexuality a learned behavior, brought about by ____
a. playing and interacting in predominantly same-sex groupings b. the reinforcement of homosexual behaviors or the punishing of heterosexual behavior c. genetics d. unresolved Oedipal complex