Stats/Methods II

1. Stats/Methods II JEOPARDY

2. Jeopardy Hypothesis Testing Between Subjects Within Subjects Experiments Misc. $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500

3. Hypothesis Testing--$100 • Concluding there is a difference in the population when, in reality, there is no difference. • answer

4. Hypothesis Testing--$200 • Detecting a difference in the population when a difference really exists. • answer

5. Hypothesis Testing--$300 • Concluding there’s no difference when, in fact, a difference exists • answer

6. Hypothesis Testing--$400 • This is the ratio of the mean difference to the population standard deviation. The bigger the result, the better… • answer

7. Hypothesis Testing--$500 • The value of the test statistic is not a good indicator of effect size because it is biased by • answer

8. Between Subjects--$100 • Another name for a between-subjects design. • answer

9. Between Subjects--$200 • In order to attribute differences between groups to treatment effects, we must prevent ____ ______ from becoming a confound. • Equality please. • answer

10. Between Subjects--$300 • In general, a t-test can be expressed as this ratio. • answer

11. Between Subjects--$400 • _____ ______ is the most popular method used to equally distribute potential confounding variables across treatment conditions. • answer

12. Between Subjects--$500 • Two disadvantages of the between-subjects design. • answer

13. Within Subjects--$100 • If 15 people each contribute two scores to your study, then n = ___? • answer

14. Within Subjects--$200 • A variant of the repeated samples design in which great care is taken to minimize individual differences between two participants—one is then assigned to treatment 1 and the other is assigned to treatment 2. • answer

15. Within Subjects--$300 • What does X2 – X1 yield in a within-subjects design? • answer

16. Within Subjects--$400 • Do this to deal with carryover effects and progressive error. • answer

17. Within Subjects--$500 • A within-subjects design is very useful to study changes in a particular individual _____ ____. • answer

18. Experiments--$100 • The no-treatment condition in an experiment. • answer

19. Experiments--$200 • An extraneous variable becomes a ____ ____ only if it systematically influences the dependent variable. • answer

20. Experiments--$300 • Directly measures whether the IV has the intended effect on the participant. • answer

21. Experiments--$400 • The 2 interpretation problems that exist in correlational research but are eliminated in experimental research. • answer

22. Experiments--$500 • Two active (and often laborious) ways to control extraneous variables. • answer

23. Misc.--$100 • The critical region for z is determined by consulting this. • answer

24. Misc.--$200 • This is used to compare two means when the population standard deviation is NOT known. • answer

25. Misc.--$300 • An independent groups design has 2 treatment conditions and 18 df. The total number of subjects must equal ___. • answer

26. Misc.--$400 • Using a less diverse population will directly decrease this measure. • answer

27. Misc.--$500 • Increasing the intensity of the experimental procedure should increase this. • answer

28. Hypothesis Testing--$100 • A: What is Type I error? • Back to board

29. Hypothesis Testing--$200 • A: What is power? • Back to board

30. Hypothesis Testing--$300 • A: What is Type II error? • Back to board

31. Hypothesis Testing--$400 • A: What is Cohen’s d (effect size)? • Back to board

32. Hypothesis Testing--$500 • A: What is the number of participants in the sample? • Back to board

33. Between Subjects--$100 • A: What is an independent measures design? • Back to board

34. Between Subjects--$200 • A: What are individual differences? • Back to board

35. Between Subjects--$300 • A: What is obtained (observed) difference over difference expected by chance alone? • Back to board

36. Between Subjects--$400 • A: What is random assignment? • Back to board

37. Between Subjects--$500 • A: What are (1) need large N and (2) each score is from a different person (individual differences)? • Back to board

38. Within Subjects--$100 • A: What is 15? • Back to board

39. Within Subjects--$200 • A: What is a matched pairs or related samples design? • Back to board

40. Within Subjects--$300 • A: What is a difference score? • Back to board

41. Within Subjects--$400 • A: What is counterbalance the order of treatments? • Back to board

42. Within Subjects--$500 • A: What is across time? • Back to board

43. Experiments--$100 • A: What is the control group? • Back to board

44. Experiments--$200 • A: What is a confounding variable? • Back to board

45. Experiments--$300 • A: What is a manipulation check? • Back to board

46. Experiments--$400 • A: What are the (1) directionality problem and (2) the third-variable problem? • Back to board

47. Experiments--$500 • A: What are (1) holding constant and (2) matching across treatment conditions? • Back to board

48. Misc.--$100 • A: What is the unit normal table? • Back to board

49. Misc.--$200 • A: What is a t-test? • Back to board

50. Misc.--$300 • A: What is 20? • Back to board