Experimental Design (AQA A-Level Psychology): Flashcards
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Practise the cards
10 cards from this deck
Experimental design definition
Experimental design definition
How researchers organise testing of participants in relation to conditions
Independent groups design definition
Independent groups design definition
Two separate groups, each experiences one condition only
Repeated measures design definition
Repeated measures design definition
All participants experience every condition
Matched pairs design definition
Matched pairs design definition
Participants paired on variables, then split between conditions
Purpose of random allocation
Purpose of random allocation
Control participant variables in independent groups design
Purpose of counterbalancing
Purpose of counterbalancing
Control order effects in repeated measures design
Main limitation of independent groups design
Main limitation of independent groups design
Participant variables - differences may reflect individuals not IV
Main strength of repeated measures design
Main strength of repeated measures design
Participant variables controlled - same people in all conditions
Main limitation of repeated measures design
Main limitation of repeated measures design
Order effects - sequence may influence performance
Matched pairs design main limitation
Matched pairs design main limitation
Perfect matching impossible - even twins differ