Experimental design (OCR A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
ShowHide
Practise the questions
11 questions from this quiz
What does experimental design refer to?
What does experimental design refer to?
How participants are used in experiments
In independent groups design, what happens?
In independent groups design, what happens?
Two separate groups experience different conditions
What technique do researchers use to deal with issues in independent groups design?
What technique do researchers use to deal with issues in independent groups design?
Random allocation
How many participants do independent groups designs require compared to repeated measures?
How many participants do independent groups designs require compared to repeated measures?
Twice as many participants
Which effects are less likely with independent groups design?
Which effects are less likely with independent groups design?
Order effects & demand characteristics
What does repeated measures design guarantee?
What does repeated measures design guarantee?
Comparing 'like with like'
What can cause order effects in repeated measures design?
What can cause order effects in repeated measures design?
Fatigue/boredom or practice effects
What is counterbalancing in repeated measures design?
What is counterbalancing in repeated measures design?
Half do conditions in one order, half opposite
Which design more carefully controls participant variables?
Which design more carefully controls participant variables?
Repeated measures
In matched pairs design, how are participants allocated to conditions?
In matched pairs design, how are participants allocated to conditions?
Matched on variables, then one to A, one to B
What is a key limitation of matched pairs design?
What is a key limitation of matched pairs design?
Participants can never be matched exactly