Term
|
Definition
|
|
Term
| MAIN vs INTERACTIVE effects |
|
Definition
Main Effects: Effect of each separate IV on the DV.
Interactive Effect: Combined effect of IVs on the DV. |
|
|
Term
| Assumption of variation in Two-way ANOVA |
|
Definition
-Error
-Main effect IV¹
-Main effect IV²
-Interactive effect |
|
|
Term
Process Two-way ANOVA
MAIN EFFECTS |
|
Definition
- Work out E. V.- substract cell mean from each of the scores.
- Work out T. V.- replace each score with column mean.
- Work out F-ratio for each IV- main effect.
|
|
|
Term
Process Two-way ANOVA
INTERACTIVE EFFECTS |
|
Definition
Left over variance after taken away main effects and error V.
- Remove error: replace individual scores by cell mean.
- Remove Effect of IV¹: take away new row mean from corresponding new scores
- Remove Effect of IV²: take away new column mean from corresponding new scores.
Degrees of Freedom:
(n· of K in IV¹-1) x (n· of K in IV²-1) |
|
|
Term
|
Definition
1. No difference between IV¹ means.
2. No difference between IV² means.
3. No interaction between IVs |
|
|
Term
| GRAPHS (interaction effect) |
|
Definition
-Parallel lines: NO interaction
- Touch, move together, move apart: interaction |
|
|
