PSYC23H3 Chapter : Biological Roots of Developmental Psychology.docx

19. Evolutionary psychologists would explain that a trait is adaptive if a. there is no variability in that trait. b. it is more common within a species. c, it helped a specific individual within a population to survive. d. it helped a species survive and thrive in its natural history.

11. The controversy over the relative contributions of genes and experience on psychological traits is known as the a. third variable problem. b. basic vs. applied research dilemma. c. conscious vs. unconscious debate. d. nature-nurture issue.

• Summarize object relations theory and attachment theory,
noting key contributions, developments, and concepts.