The following table shows the results of a two-factor ANOVA evaluating an independent-measures experiment with three...
The following table shows the results of a two-factor ANOVA
evaluating an independent-measures experiment
with three levels of factor A, three levels of factor B,
and n = 10 participants in each treatment condition.
a. What is the calculated F value for the interaction?
|
Source |
SS |
df |
MS |
|
|
Between Treatments |
124 |
|||
|
Factor A |
20 |
10 |
F A= |
|
|
Factor B |
42 |
F B= |
||
|
A*B |
20 |
F A*B=? |
||
|
Within Treatments |
324 |
|||
|
Total |
| 1. |
F=13 |
|
| 2. |
F=5 |
|
| 3. |
F=2.5 |
|
| 4. |
F = 1.25 |
Homework Answers
| Source | SS | df | MS | F | |
| A | 20.000 | 2 | 10.00 | 2.50 | |
| B | 84.000 | 2 | 42.00 | 10.50 | |
| interaction | 20.000 | 4 | 5.00 | 1.25 | |
| error | 324.000 | 81 | 4.00 | ||
| total | 448.000 | 89 |
a)
from above calculated F for interaction =1.25
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