Week 6

Question 1

What does two-way ANOVA involve ?

Answer 1

• two IV
• independent samples comparisons

Question 2

What is an interaction ?

Answer 2

the two variables combine or interact to affect the outcome

Question 3

What are the assumptions of 2-way ANOVA ?

Answer 3

• The data (DV) are on a interval or ratio scale
• All conditions (cells) contain independent samples of subjects
• The population represented by the data are roughly normally distributed
• The populations represented by the data all have homogeneous variance