A sample of n = 9 scores has a mean of M = 6. After one score is removed from the sample, the mean for the remaining scores is found to be M = 6. What was the score that was removed?

According to Erikson, a two-year-old's negativism is a(n)

a) sign of frustration. b) form of disguised anger. c) innate contrariness. d) struggle for autonomy.

Regarding the early years of psychology, which of the following statements is FALSE?

a. Since 2000, only 40 percent of all undergraduate and graduate degrees in psychology have been awarded to women, while only 10 percent of all undergraduate degrees and five percent of doctorates in psychology were awarded to persons of color. b. The predominance of early Caucasian male psychologists inadvertently introduced a narrowness into psychological theory and research. c. During the early years in psychology, biases concerning the race, ethnicity, age, and sexual orientation of researchers and participants in psychological research limited our understanding. d. During the early years far too many conclusions were created by and/or based on small groups of people who did not represent the rich tapestry of humanity.