A social smile typically occurs when an infant
a. was recently fed. c. sees another human face.
b. is asleep. d. is at least 1 year of age.
c
Psychology
You might also like to view...
Suppose you wanted to test the hypothesis that viewing pornographic material increases aggressive behavior. The dependent variable would be
a. aggressive behavior. b. the age of the participants. c. viewing pornographic material. d. whether men or women served as participants.
Psychology
During the final part of the first stage of labor, the contractions increase in intensity, often occurring every two minutes and lasting almost two minutes. This period is known as
a. transport. c. transparent. b. transition. d. translucent.
Psychology