Discussion Thread Module 7: Comparing Groups
Paul Kunesh
School of Business, Liberty University
BUSI820: Quantitative Research Methods (D04)
Dr. David Danley
December 11, 2025
Author Note
Paul Kunesh
I have no known conflict of interest to disclose.
Correspondence concerning this article should be addressed to Paul Kunesh.
Email: [email protected]
BUSI820: Quantitative Research Methods (D04)
D.8.9.6 Dependent Variables
D.8.9.6 In Output 9.6: (a) Describe the F, df, and p values for each dependent variable as you
would in an article. (b) Describe the results in nontechnical terms for visualization and grades.
Use the group means in your description.
(a)
(b)
D.8.9.7 Paired Samples and T Test
Q. D.8.9.7 In Outputs 9.7 a and b, what pairs of means were significantly different?
D.8.9.8 Significance Values
Q. D.8.9.8 In Output 9.8, interpret the meaning of the sig. values for math achievement and
competence. What would you conclude, based on this information, about differences between
groups on each of these variables?
D.8.9.9 Math Achievement Outputs
D.8.9.9 Compare Outputs 9.6 and 9.8 with regard to math achievement. What are the most
important differences and similarities?
D.8.9.10
D.8.9.10 In Output 9.9: (a) Is the interaction significant? (b) Examine the profile plot of the cell
means that illustrates the interaction. Describe it in words. (c) Is the main effect of academic
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BUSI820: Quantitative Research Methods (D04)
track significant? Interpret the eta squared. (d) How about the “effect” of math grades? (e) Why
did we put the word effect in quotes? (f) Under what conditions would focusing on the main
effects be misleading?
(a)
(b)
(c)
(d)
(e)
(f)
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BUSI820: Quantitative Research Methods (D04)
References
Morgan, G., Leech, N., Gloeckner, G., Barrett, K. (2020). IBM SPSS for Introductory Statistics
(6th Ed.). New York, NY
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