At age 6, Edda understands that a person's sex remains constant, even if that person dresses in "cross-gender" clothes or engages in nontraditional activities. Edda is in which stage of gender-constancy development?

Compared to obesity rates in the 1980s, the percentage of older adults who are obese today has:

a. remained about the same b. decreased c. increased for both men and women d. increased for women, but decreased for men

In one study demonstrating the pluralistic ignorance effect, researchers pumped smoke through a vent into a laboratory where participants were filling out a questionnaire

The results of the study indicated that participants were most likely to report the smoke when A) they were in the room alone. B) they were in the room with two other participants. C) they believed that the smoke was a "truth gas" intended to extract honest answers to the questionnaire. D) they were in the room with two confederates who acted as though there was no cause for alarm.