correlations - rm Flashcards
1
Q
Positive correlation
A
Both variables increase together
2
Q
Negative correlation
A
As one variable increases another decreases
3
Q
No correlation
A
0 correlation between variables
4
Q
What is correlations
A
Correlation is the link between 2 variables
A measure is taken from 2 variables
Each of the variables can vary on a scale
Investigating 2 variables to see if there is a relationship
5
Q
What graph shows correlation
A
Scatter graph
One variable on either axis
6
Q
The value of correlation co efficient is between
A
+1 and -1
7
Q
+1 indicates
A
Perfect positive co-relation
8
Q
-1 indicates
A
A perfect negative co-relation
9
Q
0 indicates
A
No relationship between variables
10
Q
The correlation co-efficient psychologists need to agree is
A
0.8
