ANOVA 1 Flashcards
0
Q
Approximate alpha level
A
a=1-(1-a)^c
C= # of comparisons
1
Q
C=[p(p-1)]/2
A
C= # of comparisons p= # of means
2
Q
Allows comparison of two or more groups without an increased risk of Type 1 error
A
Analysis of Variance
3
Q
An estimate of the variability within each group
A
Within-group variance
4
Q
Differences due to difference between people
A
Subject error
5
Q
Unsystematic and random difference due to changes in room temp, time of day, noise, sneezing etc…
A
Experimental error
6
Q
Compares each groups mean with the overall (grand) mean
A
Between group variance
7
Q
Measure of effect size
A
n^2 (eta squared)
