Experimental designs- Independent group design

Question 1

A01

Outline Independent group designs

Answer 1

• P only experience one level of the IV, meaning they oonly experience one condition of the experiment
• P are allocated randomly to each condition to avoid researcher bias
• Produces unrelated data
• Performance of each group is then compared with one another

P-Participant

Question 2

A03

Strengths of Independent group designs

Answer 2

• Less likely to have demand characteristics as P only experience one condition, less likely to guess purpose of stuydy or how to behave for that study & controls order effects

Question 3

Limitations of Independent group designs

Answer 3

• Suffers from participant variables, if more P with particular characteristic are assigned randomly to one condition, can effect measurement of IV leads to group differences affecting results