According to __________ theory, older adults' life satisfaction depends on conditions that permit them to remain engaged in roles and relationships

Which of the following is most true of identity development?

a. Middle childhood is the key life period for identity development. b. During adolescence, a person's identity is solidified. c. Identity issues are especially central in emerging adulthood. d. After the first six years of life, a person's identity is set.

When a researcher examines several replications of a phenomenon, he would be most likely to examine these data using the statistical technique of

a. correlational analyses. b. meta-analysis. c. p-values. d. internal validity.