Two-way repeated and mixed ANOVA

Question 1

What are between-subjects?

Answer 1

Independent measures

Question 2

What are within-subjects?

Answer 2

Repeated measures

Question 3

When do you use the test of sphericity?

Answer 3

• In a repeated design

- If there are more than 2 conditions

Question 4

How do you write up sphericity?

Answer 4

W =__ , X2 (df) = __ , p = __

Question 5

What do you do in a mixed methods design before interpreting?

Answer 5

• Check the sphericity for the repeated IV

- Check Levene’s for the independent IV

Question 6

How can you break down an interaction effect?

Answer 6

• Split the file by one of the IVs
• Run a repeated measures ANOVA
• Run a bonferroni-corrected post-hoc
• Run pairwise t-tests for each level