8. Correlation AO1 Flashcards
1
Q
What is a correlations?
A
An association between two co-variables
2
Q
What represents the strength of the correlation?
A
Correlation coefficient
3
Q
What is correlation coefficient,
A
Statistical tests of correlation produce a numerical value somewhere between -1 and +1 - tells us the strength of the relationship between two variables
4
Q
What increases the close you get to 1 or 0?
A
1 - The stronger the relationship between co-variables
0 - the weaker the relationship
5
Q
What does correlation coefficient represent?
A
The direction of the correlation
6
Q
What does the sign inform us of?
A
The direction of the correlation
7
Q
How are correlation coefficients calculated?
A
Using an inferential test such as Pearson’s or Spearman’s
8
Q
What does the letter ‘r’ stand for?
A
Correlation coefficient
