2. Correlational Studies

Question 1

What are the four key features of correlational study

Answer 1

• measures the relationship between two variables
• relationship can be positive or negative
• relationship can be strong or weak
• can be represented on a scattergram

Question 2

What is meant by a positive correlation?

Answer 2

As one variable increases, the other also increases

Question 3

What is meant by a negative correlation?

Answer 3

As one variable increases, the other decreases

Question 4

What are the three strengths of correlational studies

Answer 4

• establishes relationship between two variables when manipulation is not possible
• allows researcher to conduct statistical analysis
• fairly easy to analyse using scattergram

Question 5

What is the weakness of correlational studies

Answer 5

• A correlation does not establish cause and effect

- can only suggest a relationship is present, other variables may be causing the correlation