Week 6

Question 1

What is Two-way ANOVA ?

Answer 1

2 independent variables and different group of peoples

Question 2

What is an interaction ?

Answer 2

The two variables combine or interact to affect the outcome

Question 3

When is an interaction shown ?

Answer 3

When the lines are not in parallel they show an interaction

Question 4

What are the assumptions of 2-way ANOVA ?

Answer 4

1. The data (DV) are on an interval or ratio scale
2. All conditions (cells) contain independent samples of subjects (different people in each condition)
3. The population represented by the data are roughly distributed
4. The populations represented by the data all have homogenous variance