In this section you will interpret output that is provided (you do NOT need to run...

In this section you will interpret output that is provided (you do NOT need to run anything for this scenario).

I am interested in testing whether the section of SOC390 that a participant was in (Variable name = Class; 1= Miller, 2 = Field, 3= Smith) influences their exam scores (Variable name = exam_scores). I also think that gender might also influence exam scores (Variable name = Gender; 0 = female, 1 = male). To test this, I conducted a two-way ANOVA. There is a lot of output associated with a two-way ANOVA – we are only going to focus on the output below.

Tests of Between-Subjects Effects
Dependent Variable: Hypothetical exam scores (out of 100)
Source	Type III Sum of Squares	df	Mean Square	F	Sig.
Corrected Model	742.256^a	5	148.451	2.783	.023
Intercept	477185.101	1	477185.101	8945.486	.000
Class	632.711	2	316.355	5.931	.004
gender	2.943	1	2.943	.055	.815
Class * gender	234.748	2	117.374	2.200	.118
Error	3947.432	74	53.344
Total	588655.000	80
Corrected Total	4689.688	79
a. R Squared = .158 (Adjusted R Squared = .101)

18. What are the two factors in this example? How many levels are on each factor?

[2 points]

19. What is the dependent variable? [2 points]

20. In the output above, there are two main effects and an interaction effect being tested. First: assuming α = .05, what are the conclusions for these tests (significant or not significant)? Second: For each, provide the F statistic including degrees of freedom and p-value. [6 points]

F_class(__________, ___________) = ________, p =___________ à Significant or not significant? Not significant

F_gender ( ________, _________) = _________, p =________ à Significant or not significant? Significant

F_classXgender(_______,_______) = _________, p = à Significant or not significant? Not significant

Expert Solution

orchestra answered 3 years ago

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