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psychology
Research Methods
Experimental design
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Kaiden a
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Cards (10)
what are the 3 types of experimental design?
repeated
measures
matched
pairs
independent
groups
what is a repeated measure experiment?
where all the
participants
take part in each
condition
what is a matched pairs experiment?
participants are placed into
pairs
based of a key
variable
like age ,
1
member of each pair is then placed into each
condition
what is an independent group experiment?
when you have
2
separate groups that are
randomly
allocated and each group does
1
condition
what are some advantages of repeated measures?
fewer
participants
cheaper
less
time
needed
reduces participant
variables
what are some disadvantages of repeated measures?
practice
effect
order
effects
fatigue /
boredom
what are some advantages of matched pairs?
no
order
effects
no
participant
variables
no
demand
characteristics
increased
validity
what are some disadvantages of matched pairs?
impossible for
exact
match
more
participants
what are some advantages of independent groups?
no
order
effects
reduced
demand
characteristics
increased
validity
what are some disadvantages of independent groups?
more
participants
participant
variables