Experimental Designs Flashcards
(7 cards)
1
Q
What are the 3 types of designs
A
Repeated measures
Independent groups
Matched pairs
2
Q
What are repeated measures design
A
Same pps take part in all conditions of the experiment
3
Q
+ and - of repeated measures
A
+ controls pp variables
+ requires fewer pps
- order effects e.g fatigue that confound results
- demand characteristics
4
Q
What is independent groups design
A
Different pps are used in each condition of the experiment
5
Q
+ and - of independent groups
A
+ no order effects as pps only do 1 condition
+ reduces demand charactertics linked to repeated exposure
- pp variables
- requires more pps so time consuming
6
Q
What are matched pairs design
A
Pps are paired up due to matching variables between them e.g age
7
Q
+ and - of matched pairs design
A
+ controls pp variables
+ no order effects
- time consuming as need details of pps
