CORRELATION

Question 1

CORRELATION

Answer 1

Mathematical technique used to investigate relationship between two variables (co-variables)

Question 2

POSITIVE CORRELATION

Answer 2

One variable INCREASES, the other INCREASES

Question 3

NEGATIVE CORRELATION

Answer 3

One variable INCREASES, the other DECREASES

Question 4

ZERO/NO CORRELATION

Answer 4

There’s no relationship between the variables.

Question 5

SCATTERGRAPH

Answer 5

Graphical representation of association between two sets of scores.

Question 6

CORECTIONAL HYPOTHESIS

Answer 6

In a correlation, you are looking for a relationship/association

Question 7

STRENGTHS

Answer 7

• Can investigate trends in data
• If correlation Is significant, further investigation is justified
• Can rule out casual relationship
• Procedures can be easily repeated

Question 8

WEAKNESSES

Answer 8

• Cannot establish CAUSE AND EFFECT
• Intervening variables (unknown variables that explain why co variables are linked)
• Lacks generalisability
• Lacks internal and external validity