Correlations Flashcards
1
Q
Definition of a correlation
A
Correlations illustrate the strength and direction of an association between two co-variables.
2
Q
Definition of co-variables
A
The variables that are being measured in a correlation.
3
Q
What is a positive correlation?
A
When one variable increases so does the other one.
(A increases as B increases).
More than 0.
4
Q
What is a negative correlation?
A
When one variable increases the other one decreases.
(A increases as B decreases).
Less than 0.
5
Q
What is a zero correlation?
A
No relationship is found between the co-variables.
Equal to 0.
6
Q
Two advantages of correlations
A
Gives a starting point to assess patterns between variables.
Not time consuming.
7
Q
Two disadvantages of correlations
A
Difficult to establish cause and effect.
Can be misinterpreted.
