8 - Comparing Means Flashcards
1
Q
When can ANCOVA be used? (Comparing Means Statistics)
A
With multiple predictors when at least one has a categorical variable
2
Q
What are the advantages of ANCOVA? (Coding Statistics)
A
- Reduces standard error by explaining SSR
- Increases experimental control by adjusting for known confounding variables
3
Q
What must you do when adjusting means? (Coding Statistics)
A
Account for assumptions
