If there are two different research methodologies that both would answer a particular research question, psychologists are obligated to use whichever methodology minimizes risk to participants. This illustrates which ethical principle?

Dr. Developmental is giving a lecture on personality in later life. Which is NOT a point that he can make?

A) Older people are calmer than younger adults. B) Life satisfaction in old age is apt to decline when people get physically disabled and feel socially isolated. C) Most older people are unhappy. D) Most older people feel satisfied with life.

The rate of cesarean delivery is

A) substantially higher in induced than spontaneous labors. B) lower today than it was forty years ago. C) currently about 10 percent in the United States. D) lower in the United States than in other industrialized countries.