10. ANOVA Flashcards
What does ANOVA stand for? (Anova methods 2)
Analysis of variance
What does multiple tests on the same data do? (Anova methods 2)
increases the chances of type 1 errors
When is the Holmes correction used? (Anova methods 2)
When you run multiple tests on the same data
How do you work out Holmes correction? (Anova methods 2)
1) take the standard alpha levels
2) divide them by the number of T-tests you have completed
What does ANOVA allow for? (Anova methods 2)
Trends and the effects of the IV
What should variance arise from? (Anova methods 2)
The manipulation of the IV
What occurs if random assignment did not work? (Anova methods 2)
between group variance
What is between group variance affected by? (Anova methods 2)
random factors
What is within group variance affected by? (Anova methods 2)
IV influence
What is the equation for total variance? (Anova methods 2)
Total variance = between group variation + within group variation
How many conditions do the participants take part in when completing an independent measures ANOVA? (Anova methods 2)
One condition only
What does the Levenes test do? (Anova methods 2)
analyses if there is homogeneity of variance
If Levenes test is <0.05 can ANOVA be used? (Anova methods 2)
Yes, only if smaller than 0.05
