research method

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Across
  1. 3. consistent
  2. 5. reduce the individual differences
  3. 7. a different group of participants
  4. 10. increase or decrease
  5. 13. due to chance
  6. 15. repeated measures
  7. 16. ABBA
  8. 18. definition of variables
  9. 19. disguise the aim
Down
  1. 1. a testable statement
  2. 2. exactly the same
  3. 4. questions is fixed
  4. 6. two researchers
  5. 7. manipulated
  6. 8. confounding
  7. 9. an investigation looking for a causal relationship
  8. 11. a personal viewpoint
  9. 12. mundane realism
  10. 14. written form
  11. 17. apply