types of experiments and experimental design

  • Created by: ABCDJUM
  • Created on: 27-10-18 14:46
LAB
low external validity (artificial so hard to generalise)/ demand characteristics (ppt know they are being observed)
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FIELD
reduced demand characteristics (ppt behave naturally)/ high external validity (real world so easily generalisable)
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NATURAL
less experimenter bias (IV natural so no control)/ reduced demand characteristics (ppt behave naturally)/ confounding variables (lack of control)
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QUASI
no random allocation- loss of controls/ fewer ethical issues (ppt aware being studied so more likely to give consent
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indepenndant groups
lower demand characteristics/ ppt variables (individual differences influences results)
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repeated measures
no confounding variables/ order effects
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matched pairs
lowers ppt variables
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internal validity
extent results are due to the IV
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external validity
extent results can be generalised people (population validity), setting (ecological validity), time (temporal validity)
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internal reliability
internal consistency
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external reliability
consistency over time
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Other cards in this set

Card 2

Front

reduced demand characteristics (ppt behave naturally)/ high external validity (real world so easily generalisable)

Back

FIELD

Card 3

Front

less experimenter bias (IV natural so no control)/ reduced demand characteristics (ppt behave naturally)/ confounding variables (lack of control)

Back

Preview of the back of card 3

Card 4

Front

no random allocation- loss of controls/ fewer ethical issues (ppt aware being studied so more likely to give consent

Back

Preview of the back of card 4

Card 5

Front

lower demand characteristics/ ppt variables (individual differences influences results)

Back

Preview of the back of card 5
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