Experimental Design (A03)

Question 1

Independent Groups

Answer 1

• Random allocation can be used to reduce CVs
• Reduced demand characteristics

Question 2

Repeated Measures

Answer 2

• Controlled participant variables
• Fewer participants needed
• Increased order effects
• Increased demand characteristics

Question 3

Matched Pairs

Answer 3

• Reduced order effects
• Reduced demand characteristics
• Time consuming and expensive
• Large pool of participants needed