Experimental designs Flashcards

1
Q

what are independent group designs

A
  • pps allocated to different groups
  • each group represents one experimental condition
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2
Q

what is the evaluation of independent group designs

A
  • less economical
  • order effects aren’t a problem
  • participant variable may be the cause not IV
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3
Q

what are repeated measures

A

all participants take part in all conditions

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3
Q

what is the evaluation of repeated measures

A
  • counterbalancing must be used as pps have to take part in both conditions
  • order effects can arise
  • demand characteristics
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3
Q

what are matched pairs

A
  • participants are paired together on a variable relevant to the experiment
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3
Q

what is the evaluation of matched pairs

A
  • less effect of demand characteristics and order effects
  • pps can never be matched exactly
  • matching can be time consuming and expensive
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4
Q

what is random allocation

A
  • attempt to control for participant variables in independent designs
  • ensures that each participant has the same chance of being in one condition
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5
Q

what is counterbalancing

A
  • attempt to control for order effects in repeated measures
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