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Eyewitness testimony

EWT involves witnessing a crime and then using memory of events as evidence.
Witnesses are often confident, but this confidence might have no effect on the
accuracy of the testimony. Using DNA evidence, it has been possible to show that
some people that have been convicted on the…

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Good because they used videos that reduced amounts of distress caused by
the experiment on the participants.

Ecological validity

Bad because they used videos that reduced amounts of distress felt by the
participants.

Internal validity

Good because they only changed one thing, the words in the questions that
were used,…

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