experimental design Flashcards

1
Q

independent group design ?

A
  • 2 separate groups of ps experience 2 different conditions of the experiment
  • all ps experience 1 level of the IV
  • peformance is then controlled
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2
Q

repeated group design ?

A
  • all ps experience both conditions of the experiment
  • each p experiences condition A and then would late be tested again in condition B
  • 2 mean scores from both conditions would be then compared
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3
Q

matched pairs design ?

A
  • ps are paired together on variables relevant to the experiment
  • e.g matched based on IQ
  • then 1 person from each pair would b allocated to a different condition
  • then same as independent design
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4
Q

strengths of independent group design ?

A
  • order effects are not a problem
  • ps are less likely to guess the aims
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5
Q

strengths of repeated measure design ?

A
  • participant variables are controlled so higher validity
  • fewer ps are needed (less time consuming)
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6
Q

strengths of matched pairs design ?

A
  • ps only take part in 1 condition so order effects and demand characteristics are less of a problem
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