Experiment Design

Question 1

Strengths of independent groups

Answer 1

No order effect

Question 2

Limitations of independent groups

Answer 2

1. More time consuming
2. Extraneous variables between participants could affect results

Question 3

Way of dealing with limitations of independent groups

Answer 3

1. Randomly assigned groups
2. Reducing participant variables

Question 4

Strengths of matched pairs

Answer 4

1. Reduces participant variables
2. No order effects

Question 5

Limitations of matched pairs

Answer 5

1. Data is dependent on both participants
2. Time consuming
3. Exact matches (almost) impossible

Question 6

Ways of dealing with the limitations of matched pairs

Answer 6

Members of each pair should be randomly assigned to the conditions

Question 7

Strengths of repeated measures

Answer 7

1. Reduced participant variables
2. Fewer people needed

Question 8

Limitations of repeated measures

Answer 8

1. Order effect
2. Practice effect
3. Fatigue effect

Question 9

Ways of dealing with the limitations of repeated measures

Answer 9

Counterbalancing