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Åldersbedömning av maskerade ansikten -Precision och systematiska fel
University of Gävle, Faculty of Health and Occupational Studies, Department of Social Work and Psychology.
2012 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Age Estimation of masked faces – Accuracy and bias (English)
Abstract [sv]

Syftet med föreliggande studie var att undersöka hur bra vi är på att bedöma ålder på omaskerade och maskerade ansikten. Syftet var även att undersöka om det fanns systematiska fel som är förknippade med åldersbedömning av maskerade ansikten.

Totalt fick 60 försöksdeltagare, samtliga ungdomar, skatta åldern på 60 fotografier av 30 maskerade och 30 omaskerade män.  Fotografierna var indelade i två åldersgrupper, yngre och äldre, och samtliga stimulipersoner förekom i både den maskerade och den omaskerade varianten.

Resultaten visade att försöksdeltagarna var bättre på att skatta åldern på omaskerade ansikten än på maskerade. Inga skillnader i systematiska fel fans mellan maskerade och omaskerade ansikten.

Bilder av unga ansikten skattades med högre precision än bilder av äldre ansikten.

Abstract [en]

The purpose of this study was to investigate how well we are at age estimations of masked and unmasked faces. The purpose was also to investigate if there were any biases that effected age estimations of masked faces.

A total of 60 participants, all juveniles, estimated the age of 60 photographs of 30 masked and 30 unmasked men. The photographs were divided into two age groups, younger and older, and all of the men, who served as stimuli, were represented in both conditions.

The results showed that the participants were better at estimating the age of unmasked than masked faces. There were no differences in biases between masked and unmasked faces.

Photographs of young faces were estimated with greater precision than older faces.

Place, publisher, year, edition, pages
2012. , 23 p.
Keyword [en]
Age estimation, Masked, Biases, Witnesses
Keyword [sv]
Åldersbedömning, Maskerad, Systematiska fel, Vittnen
National Category
Psychology
Identifiers
URN: urn:nbn:se:hig:diva-11476Archive number: PSC-H11-6OAI: oai:DiVA.org:hig-11476DiVA: diva2:496963
Subject / course
Psychology
Uppsok
Social and Behavioural Science, Law
Supervisors
Examiners
Available from: 2012-03-01 Created: 2012-02-10 Last updated: 2012-03-01Bibliographically approved

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Department of Social Work and Psychology
Psychology

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CiteExportLink to record
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Citation style
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