Answers to Practice Test Questions

  1. b; zygote
  2. d; babbling
  3. b; preoperational
  4. a; assimilation; accommodation
  5. a; zone of proximal development
  6. a; cross-sectional
  7. a; preconventional
  8. d; insecure-avoidant
  9. a; authoritative
  10. c; identity versus role confusion
  11. b; fetal
  12. c; habituation
  13. b; egocentrism; preoperational
  14. d; overextension
  15. c; decrease; increase