__________ refers to a social and emotional bond between an infant and his or her

Sex segregation in which boys interact primarily with boys and girls interact primarily with girls is called

a. cliques groups. c. reference groups. b. crowds. d. sex cleavage.

Suppose that a seven-month-old infant is repeatedly shown a film in which an actor, who is holding an object in his hand, opens his hand to release the object, and the object falls to the ground

After infants habituate to this event, they will dishabituate to a film in which ___. a. the actor does not open his hand, but the object falls to the ground anyway b. the object does not start falling until 3/4 of a second after the actor opens his hand c. both a and b d. neither a nor b