Supratik Statistics Flashcards
phrase if there isn’t correlation
there is no direct correlation between x and y
how to measure correlation
Pearson’s r corellation
correlation cut of points
weak
moderate
strong
weak: 0.1
moderate: 0.3
strong: 0.5
p value meaning
probability that the results you obtained were due to chance
p-value cut off
0.05
t-test what does it do
done to test mean of two groups
what other stats are needed when doing t-test in JASP
- p-value
- Cohen’s d
- assumption of which group is bigger
Cohen’s d cutoff points
weak: 0.2
moderate: 0.5
strong: 0.8
when is Manuel Whitney used
when we don’t have normal distribution
What stats we need with ANOVA
- n2
- post hoc test -> Bonferroni
- pBonf gives us p value
what does Cohen’s d tell us
measure of effect size
what does n2 tell us in ANOVA
measure of effect size
n2 thresholds
weak: 0.01
moderate: 0.06
strong: 0.14