Chapter 8 Flashcards
(9 cards)
1
Q
examples of a Stat
A
t- test
z- test
r
2
Q
example of p - value
A
p < .05
which kind of errors
3
Q
effect size
A
r2
R2
how big the effect is
4
Q
bivariate correaltion
A
association that involves exactly two variables
- Pearson r
- t- test
5
Q
Pearson r
A
when you measure two continuous variables
6
Q
t - test
A
one categorical & one continuous variables
- categorical = has to be predictor (IV), can only have 2 levels
7
Q
statistics
A
p - value
effect size
8
Q
p - value
A
probability of getting the statistic if there is no relationship in the population (getting your statistic by chance)
9
Q
Effect Size
A
how big it the effect?
how big is the relationship on one or the other
- effect size = r2 (Corr)