Lecture 12 - Correlation (Parametric) Flashcards
Correlation: Pearson's correlations
1
Q
What criteria must variables fill for a correlation
A
BOTH variables must be continuous
nothing is manipulated
2
Q
What criteria must variables fill for a Pearson’s correlation (specifically Pearson’s)
A
Parametric data
3
Q
What do you need to know for calculating Pearson’s r
A
Know the equation
Know the critical values
follow BIDMAS
don’t mess up
4
Q
How to write up a correlation
A
r (df) = .xx, p < .xxx
5
Q
What does it mean for data to be parametric
A
- Normally distributed
- Measured on an interval or ratio scale