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Weapon-focus effect: Are police and civilians differentially affected?

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Abstract:

Are police officers susceptible to the weapon focus effect? In the current study, police and civilian participants viewed a video where a perpetrator was either shown with a gun or a concealed weapon. Heart rate and identification accuracy from target-present sequential lineups were measured. Results showed no differences between police and civilians on heart rate measures and no effect of weapon presence on heart rate. Lineup results demonstrated a significant weapon focus effect on correct identifications (no weapon = 42.9%; weapon = 4.8%). Police officers were significantly less accurate when a weapon present (0%) versus not (54.5%). Filler identifications were unaffected by weapon presence.
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Association:
Name: American Psychology - Law Society
URL:
http://www.ap-ls.org/


Citation:
URL: http://citation.allacademic.com/meta/p399181_index.html
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MLA Citation:

DeCarlo, John. and Dysart, Jennifer. "Weapon-focus effect: Are police and civilians differentially affected?" Paper presented at the annual meeting of the American Psychology - Law Society, Westin Bayshore Hotel, Vancouver, BC, Canada, <Not Available>. 2014-11-28 <http://citation.allacademic.com/meta/p399181_index.html>

APA Citation:

DeCarlo, J. and Dysart, J. "Weapon-focus effect: Are police and civilians differentially affected?" Paper presented at the annual meeting of the American Psychology - Law Society, Westin Bayshore Hotel, Vancouver, BC, Canada <Not Available>. 2014-11-28 from http://citation.allacademic.com/meta/p399181_index.html

Publication Type: Symposium Paper
Abstract: Are police officers susceptible to the weapon focus effect? In the current study, police and civilian participants viewed a video where a perpetrator was either shown with a gun or a concealed weapon. Heart rate and identification accuracy from target-present sequential lineups were measured. Results showed no differences between police and civilians on heart rate measures and no effect of weapon presence on heart rate. Lineup results demonstrated a significant weapon focus effect on correct identifications (no weapon = 42.9%; weapon = 4.8%). Police officers were significantly less accurate when a weapon present (0%) versus not (54.5%). Filler identifications were unaffected by weapon presence.


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The weapon focus effect revisited: A field study of prostituted victims of sexual violence


 
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