Saint Leo University

EDU 735

1)The Gaussian distribution is also known as the:

 

2. Which of the following provides the strongest support for a causal inference?

 

3. Which statistic is an estimate of the magnitude of difference between the means of two groups measured in standard deviation units?
4. Pearson’s Product Moment Correlation Coefficient is appropriate for  variables.
5. In order to determine whether the differences between group means are statistically significant, ANOVA examines the differences:
6. The advantage of using Cohen's d is that it provides a difference in group means based on the:

 

7. If a researcher wants to create a bar chart in SPSS, which menu selection should NOT be used?

 

8. degrees of freedom: is

 

9. Which of the following is not a type of ANOVA?

 

10. Which of the following is NOT an example of a categorical variable?

 

11. When should researchers reject the null hypothesis?

 

12. No correlation could be described as all of the following except                  .

 

13. If nominal alpha is set to .01, which of these p values would be considered criteria for rejecting the null hypothesis?

 

14. Which element is NOT typically included in a well-designed behavioral experiment?

 

15. How many rows would be in the variable view for a data set that contains information about gender and GPA for 20 participants?

 

16. The mean of z scores:

 

17. All of the following about confidence intervals should be included in the results section except:

 

18. A one-tailed outlier for the Z distribution must have a Z score equivalent to the:

 

19. A frequency table can be used with:

 

20. Which of the following is NOT an assumption of a Pearson's Correlation test?

 

21. Which of the following is probably the most helpful guide when untangling the relationship between X and Y?

 

22. z and t distributions are known because:

 

23. The formula for a confidence interval's upper limit is:

 

24. Which of the following is an assumption of ANOVA?

 

25. You calculate the correlation coefficient between two variables when the              is           .

 

26. For which of the following pairs of variables is cross-tabulations appropiate?

 

27. N decreases the sampling distribution gets:

 

28. All of the following are one of the three aspects of the relationship between variables except for            .

 

29. The is calculated by                 different types of variability.

 

30. What type of research compares naturally formed or preexisting groups rather than employing random assignment to conditions?

 

31. The appropriate parametric test for a between subjects design with two groups is the:

 

32. The t distribution and the z distribution are:

 

33. The standard error of the mean is conceptually similar to:

 

34. What does the height of each bar in a histogram represent?

 

35. What kind of sampling involves every member of the population having an equal chance of being selected?

 

36. For every statistic (e.g., mean) a researcher calculates in her sample, she is estimating that same value in the:

 

37. In an independent t-test, the observations:

 

38. All of the following group differences issues can arise Pearson's r except:

 

39. Which of the following is needed to calculate confidence interval's upper limit?

 

40. Which of these is NOT a typical part of an experiment?

 

41. How is the normality of a distribution on a histogram typically assessed with?

 

42. George calculates the F-ratio for a one-way ANOVA comparing the means of three groups: Group A (M = 3.12), Group B (M = 7.37) and Group C (M = 8.92). If he makes the decision to reject the null hypothesis, without conducting any post hoc tests, what is the most specific and appropriate conclusion he can make?

 

43. Which of the following is NOT assumed in a null hypothesis test?

 

 

44. For which of the following sets of variables should cross-tabulations NOT be used?

 

45. The One-Way ANOVA dialog box in SPSS has all of the following buttons except: