2. Practice
Participants were asked about their current romantic relationship (dating, married, or cohabitating) and the number of children they have (none, one, or two). They also indicated how many arguments they had with their romantic partner during the past year.
Use the data on the next page to complete the incomplete ANOVA table.

3. None One Two Dating 25 30 28 31 27 26 40 35 20 23 Married 11 18 22 15
Number of children
None
One
Two
Dating 25 30 28 31 27 26 40 35 20 23
Married 11 18 22 15 14 19 21
Cohabitating 24 9 16 13

4. Source df SS MS F
Children
188.58
Relationship
356.04 AB
371.96
Within
Total

5. Source df SS MS F Children 2 188.58 94.29 3.22 Relationship 356.04
178.02
6.07* AB 4
371.96
92.99
3.17*
Within 36
29.31
Total 44
F critical A (2, 36) = 3.27
F critical B (2, 36) = 3.27
F critical AB (4, 36) = 2.64

9. Practice
Page 285 – 13.7
For each example (i, ii, iii, iv) make LINE Graphs and determine if:
1) Any main effects?
2) Any interaction effects?

10. Practice
Age: No
Games: NO
Interaction: YES

11. Practice
Age: No
Games: NO
Interaction: YES

12. Practice
Dose: Yes
Diagnosis: Yes
Interaction: No

13. Practice
Dose: Yes
Diagnosis: Yes
Interaction: No

14. Practice
Height: Yes
Grade: Yes
Interaction: Yes

15. Practice
Height: Yes
Grade: Yes
Interaction: Yes

16. Practice
Gender: NO
SES: Yes
Interaction: Yes (very small)

17. Practice
Gender: NO
SES: Yes
Interaction: Yes (very small)

18. No Class on Monday!