Statistical and Inferential Tests

Question 1

Explain independent groups

Answer 1

Two or more groups
Different participants

Question 2

Advantages of independent groups

Answer 2

Least time consuming
Less likely to get practice or fatigue effect

Question 3

Disadvantages of independent group

Answer 3

No control over individual difference

Question 4

Explain matched pairs

Answer 4

2+ groups
Different participants
Match on individual difference e.g sex, age

Question 5

Advantages of matched pairs

Answer 5

Controlling individual differences
Validity increases

Question 6

Disadvantages of matched pairs

Answer 6

More time-consuming because you have to find specific people who match
Expensive

Question 7

Explain repeated measures

Answer 7

One group
Each participant provides 2+ data points

Question 8

Advantages of repeated measures

Answer 8

Control for individual differences
Less time-consuming and more cost-effective because of less people

Question 9

Disadvantages of repeated measures

Answer 9

More chance of practice or fatigue effect

Question 10

What inferential test is used for nominal data?

Answer 10

Chi - squared

Question 11

What Inferential test is used when there is a relationship/correlation

Answer 11

Spearman’s Rho

Question 12

What an inferential test is used with independent groups

Answer 12

Mann Whitney

Question 13

What inferential test is used with repeated measures or matched pairs

Answer 13

Wilcoxon