Experimental Design (A01)

Question 1

Independent Groups

Answer 1

• The ppts. only perform in one condition of the IV
• Performance is compared through a mean calculator

Question 2

Repeated Measures

Answer 2

• The ppts. perform in all conditions of the IV
• Performance is compared through a mean calculator
• Counterbalancing: One half of ppts. perform in one condition whilst the other half perform in the other condition

Question 3

Matched Pairs

Answer 3

• Pairs of ppts. are matched on a variable that affects the DV, then independent grouping is used