Correlation Analysis Flashcards
0
Q
What is a correlation coefficient?
A
You use a method that gives you a value between -1 and 1 which determines the type of correlation
1
Q
What is a correlation?
A
The relationship/ trend between two factors
2
Q
Why is a perfect negative correlation coefficient?
A
-1
3
Q
Why is a perfect positive correlation coefficient?
A
1
4
Q
What are the three strengths of using a correlation?
A
1 can be quite cheap and easy to conduct and you can sometimes use existing data
2 highlight factors that have a relationship which can trigger experimental research to find a cause and effect
3 often had high ecological validity, because you can use existing data
5
Q
What is the weakness of using a correlation?
A
It can’t show the cause and effect, just shows the relationship between two factors
