effect size Flashcards
1
Q
whats effect size
A
standardised measure of observed effect
difference between 2 means
2
Q
large effect size
A
practical p( reach alternative)= therefore effect size in null hyp is faulse
3
Q
cohens effect size
regression
A
.02
.15
.35
4
Q
cohen anova
A
.10
.25
.40
5
Q
correlation coefficent (r)
A
.10-29=small
.40-49 med
.50 -1 large
6
Q
effect size formula
A
mean difference/SD