Correlations

Question 1

What is a correlation?

Answer 1

It is the relationship between two variables

Question 2

What is a positive correlation?

What is a negative correlation?

Answer 2

Positive correlation is when one variable increases the other one does as well
Negative correlation is when one variable increases The other decreases

Question 3

What correlational coefficient displays a perfect negative, perfect positive and no relationship?

Answer 3

Perfect negative relationship = -1.0
Perfect positive relationship = +1.0
No relationship = 0

Question 4

What are the advantages of a correlations?

Answer 4

• Allows research to be conducted without manipulating the IV for ethical reasons
• Allows us to make predictions to be made, once a correlation is found we can then predict future relationships

Question 5

What are the disadvantages of correlations?

Answer 5

• We cannot establish cause and effect there may be a hidden third variable causing the relationship to occur.
• They don’t measure curvilinear relationships they only measure linear relationships

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