In 2014, what company CEO became the first CEO of a fortune 500 company to publicly announce that he was gay?

In order to test the validity of a theory, developmental researchers must

a. test it scientifically. c. make conclusions. b. test it only once. d. never test it again.

Your friend wonders why girls always seem to do better than boys in classes like English where reading and writing are important

You tell him that, according to your textbook, one possible explanation for girls' verbal superiority over boys is that a. the right hemisphere in the brain may mature more rapidly in girls than in boys. b. because reading is often stereotyped as an activity for girls, girls may make more effort to master verbal skills like reading. c. girls' mathematical superiority gives them self-confidence that carries over to verbal skills. d. a dominant gene on the X chromosome may promote verbal ability.