Field Experiments in EWT

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DESCRIBE: natural environment...
...of where the phenomenon being studies would naturall occur which helps to assess real life behaviour as it can be affected by a unfamiliar environment
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DESCRIBE: independent variable...
...is manipulated in order to measure the effect on the dependent variable. so an aspect of the eyewitness experience is changed to see the effect on the accuracy of the EWT
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DESCRIBE: sometimes not aware...
...that they are taking part in an experiment which brings ethics into question (difficult if they are aware because reduces validity)
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DESCRIBE: extraneous variables/situational variables...
...occur because there is not the same level of control as there is in a lab experiment e.g. can't control how much of the crime they can see
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EVALUATE: reliability
can typically be repeated as there are enough controls, not the same level of control over extraneous/situational variables as there is in lab experiments
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EVALUATE: ethics
sometimes the participants are not aware they are partaking so neither consent nor right to withdraw can be given
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EVALUATE: validity
real life emotions and attention levels which it is hard to replicate in a lab experiment, natural environment
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Other cards in this set

Card 2

Front

DESCRIBE: independent variable...

Back

...is manipulated in order to measure the effect on the dependent variable. so an aspect of the eyewitness experience is changed to see the effect on the accuracy of the EWT

Card 3

Front

DESCRIBE: sometimes not aware...

Back

Preview of the front of card 3

Card 4

Front

DESCRIBE: extraneous variables/situational variables...

Back

Preview of the front of card 4

Card 5

Front

EVALUATE: reliability

Back

Preview of the front of card 5
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