Correlation Flashcards
1
Q
Does correlation infer causality?
A
No
2
Q
Pearson’s correlation is used for..?
A
Relationship questions
DV = continuous
IV = continuous
3
Q
What is a positive correlation?
A
When variable A increases so does variable B
4
Q
What is a negative correlation?
A
When variable A increases, variable B decreases
5
Q
Assumptions of correlations
A
Data is normally distributed
Linearity
Look out for outliers
6
Q
What does a correlation coefficient of +1 mean?
A
A strong positive correlation
7
Q
What does a correlation coefficient of - 1 mean?
A
A strong negative correlation
8
Q
What does a correlation coefficient of 0 mean?
A
There is no correlation
9
Q
df of correlation?
A
df = n - 2
10
Q
Reporting the results
A
Which variables were compared? Strength and direction of correlation Significant? r(df) = [r value], p = Interpret results
