Experimental Designs^

Question 1

Independent Groups

Answer 1

participants separated into groups
different conditions

Question 2

Independent Groups AO3

Answer 2

• variables not controlled
  : use random allocation
• individual differences
  : CV reduces validity
  + no order effect
  + less money

Question 3

Repeated Measure

Answer 3

all participants take part in all conditions

Question 4

Repeated Measure AO3

Answer 4

+ participants variables controlled- order effect
: used counterbalancing
- demand characteristics
- no individual differences
- less money

Question 5

Matched Pairs

Answer 5

participants paired based on similar characteristics

Question 6

Matched Pairs AO3

Answer 6

+ no order effect/ demand characteristics
- can’t match them completely
- time consuming, expensive