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document
How can we help witnesses to remember more ? It 's an ( eyes ) open and shut case . Five experiments tested the idea that instructing a witness to close their eyes during retrieval might increase retrieval success . In Experiment 1 participants watched a video , before a cued-recall test for which they were either instructed to close their eyes , or received no-instructions . Eye-closure led to an increase in correct cued-recall , with no increase in incorrect responses . Experiments 2-5 sought to test the generality of this effect over variations in study material ( video or live interaction ) , test format ( cued- or free-recall ) and information modality ( visual or auditory details recalled ) . Overall , eye-closure increased recall of both visual detail and auditory details , with no accompanying increase in recall of false details . Collectively , these data convincingly demonstrate the benefits of eye-closure as an aid to retrieval , and offer insight into why hypnosis , which usually involves eye-closure , may facilitate eyewitness recall .
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Intervention_Educational
watched a video
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Intervention_Control
no-instructions .
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Intervention_Educational
( video or live interaction )
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Intervention_Educational
( cued- or free-recall )
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Intervention_Educational
( visual or auditory details recalled )
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Outcome_Mental
retrieval success .
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Outcome_Mental
incorrect responses
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Outcome_Mental
recall of both visual detail and auditory details
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Outcome_Mental
recall of false details .
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Participant_Condition
witnesses