Stats/Methods I

1. Stats/Methods I JEOPARDY

2. Jeopardy Research Strategies Frequency Distributions Descriptive Stats Grab Bag Validity $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. Validity--$100 • The extent to which a researcher can generalize findings to the population • answer

4. Validity--$200 • The extent to which a researcher can draw a single, unambiguous conclusion from the results • answer

5. Validity --$300 • A study is said to be _______ when an extraneous variable is allowed to vary along with the independent variable. • answer

6. Validity --$400 • An ______ variable is a variable that is not being directly studied, but has the potential of changing along with the independent variable. • answer

7. Validity -$500 • Although tight control over extraneous variables gives you high levels of _____, it may result in low levels of _____. • answer

8. Strategies & Designs--$100 • The goal of this research strategy is to describe a variable as it exists naturally. • answer

9. Strategies & Designs --$200 • The goal of this research strategy is to describe the relationship between two variables as they naturally occur in the environment. • answer

10. Strategies & Designs --$300 • A researcher joins a religious cult in order to observe the behaviors of the members. The researcher is using _____ observation. • answer

11. Strategies & Designs --$400 • This type of research design can be useful for studying unusual clinical cases such as brain injuries. • answer

12. Strategies & Designs --$500 • A researcher systematically varies the amount of caffeine in cola (0, 10, and 20 mg) and observes that his participants’ anxiety levels increase as caffeine amount increases. The 0-mg condition is called the __________. • answer

13. Frequency Distributions--$100 • The simplest frequency distribution consists of these two columns. • answer

14. Frequency Distributions --$200 • The shape of a _____ distribution is perfectly symmetrical. • answer

15. Frequency Distributions --$300 • This is the appropriate type of chart (or visual) for discrete data. • answer

16. Frequency Distributions --$400 • These two types of charts appropriately represent data from continuous variables. • answer

17. Frequency Distributions --$500 • A mathematical procedure for estimating a value that is located between two known values. • answer

18. Descriptive Stats--$100 • A statistical measure that determines a single value that accurately describes the typical score of a distribution. • answer

19. Descriptive Stats--$200 • This measure of central tendency is the score at the 50th percentile. • answer

20. Descriptive Stats --$300 • This measure of variability measures the average distance between scores and the mean. • answer

21. Descriptive Stats --$400 • This measures the average of the squared distances from the mean. • answer

22. Descriptive Stats --$500 • In order to calculate this, take the square root of the population variance. • answer

23. Grab Bag--$100 • The type of correlation that indicates an inverse relationship between two variables. • answer

24. Grab Bag--$200 • In statistical formulas, N represents ______________. • answer

25. Grab Bag--$300 • The only appropriate measure of central tendency for data measured on a nominal scale. • answer

26. Grab Bag--$400 • Percentile ranks correspond to the values in the ______ column of a frequency distribution • answer

27. Grab Bag--$500 • The sum of the deviations from the mean always equal this. • answer

28. Validity--$100 • A: What is external validity? • Back to board

29. Validity--$200 • A: What is internal validity? • Back to board

30. Validity--$300 • A: What is confounded? • Back to board

31. Validity--$400 • A: What is extraneous? • Back to board

32. Validity--$500 • A: What is internal validity and external validity? • Back to board

33. Strategies & Designs--$100 • A: What is descriptive? • Back to board

34. Strategies & Designs--$200 • A: What is correlational? • Back to board

35. Strategies & Designs--$300 • A: What is participant observation? • Back to board

36. Strategies & Designs--$400 • A: What is the case study? • Back to board

37. Strategies & Designs--$500 • A: What is the placebo control group? • Back to board

38. Frequency Distributions--$100 • A: What is score (X) and frequency (f) ? • Back to board

39. Frequency Distributions--$200 • A: What is normal? • Back to board

40. Frequency Distributions--$300 • A: What is a bar graph? • Back to board

41. Frequency Distributions--$400 • A: What are histograms and frequency distribution polygons? • Back to board

42. Frequency Distributions--$500 • A: What is interpolation? • Back to board

43. Descriptive Stats--$100 • A: What is central tendency? • Back to board

44. Descriptive Stats--$200 • A: What is the median? • Back to board

45. Descriptive Stats--$300 • A: What is the standard deviation? • Back to board

46. Descriptive Stats--$400 • A: What is the variance (or mean square)? • Back to board

47. Descriptive Stats--$500 • A: What is population standard deviation? • Back to board

48. Grab Bag--$100 • A: What is negative? • Back to board

49. Grab Bag--$200 • A: What is the number of participants/scores in the population? • Back to board

50. Grab Bag--$300 • A: What is the mode? • Back to board