Correlation

Question 1

What is a correlational study?

Answer 1

A way to test a the relationship between co-variables

Question 2

Describe each type of correlation and what is the coefficent

Answer 2

• Positive=As one variable increases,the other also increases~0 to +1
• Negative=As one variables increases,the other decreases~0 to -1
• No correlation=There is no relationship between variables~Close to 0

Question 3

How do you write a correlational hypothesis?

Answer 3

There will be (correlation/positive correlation/negative correlation/no significant correlation) between co-variable 1 and co-variable 2

Question 4

What are the strengths and limitations of correlational research?

Answer 4

• Strengths=Used when impratical or unethical to manipulate variables/No manipulation so high eco validity/Make use of existing data
• Limitations=Lack internal or external validity/No cause and effect relationnship can be established

Question 5

What graphical representation and statistical test is used for correlational research?

Answer 5

Scatter graph and Spearman’s Rank