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Äldre personers skattningar av ålder hos maskerade män
University of Gävle, Faculty of Health and Occupational Studies.
2012 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Syftet med studien var att undersöka hur hög precision äldre personer har när de ålderskattar maskerade och omaskerade ansikten. 21 kvinnor och 19 män, totalt 40 deltagare med genomsnittlig ålder på 57,7 år fick skatta åldern på 30 maskerade och 30 omaskerade ansiktsbilder. Samma stimuluspersoner användes med och utan mask. Stimulusbilderna delades upp i grupperna yngre (18-32 år) samt äldre (39-72 år). Resultatet visar att omaskerade ansikten skattas med högre precision än maskerade ansikten och att kvinnor hade en högre precision än män. Inga signifikanta skillnader fanns i deltagarnas förmåga att skatta yngre eller äldre ansikten. Tre interaktionseffekter hittades. (1) Mellan ålder och kön, (2) mellan ålder och maskering och (3) mellan mask, ålder och kön. De systematiska avvikelserna visar att de yngre och omaskerade stimuluspersonernas ålder överskattades samt att de äldre personernas ålder underskattades. Resultatet diskuteras i relation till åldersskattnig och självförankringseffekt. 

Abstract [en]

The purpose of this study was to examine how precise older people can estimate the age of masked and unmasked faces. 21 women and 19 men, 40 participants in total, were shown pictures of 30 masked and 30 unmasked faces, and asked to estimate their age. The same stimulus persons were both masked and unmasked. The pictures were divided into age groups, younger (18-32) and older (39-72). The results showed that unmasked faces were better estimated than masked faces, and that women were more precise than men. There were no significant difference between participants ability to estimate the age of young and old faces. Three interaction effects was found. (1) Between age and sex, (2) between age and mask and (3) between mask, age and sex. The systematic divergences show that the age of the younger and unmasked stimulus persons were overestimated, and that the age of the older persons were underestimated.

The results are discussed in relation to age estimation and self-anchoring effects.

Place, publisher, year, edition, pages
2012. , 21 p.
Keyword [en]
Age estimation, Faces, Masking, Older, Self-anchoring
Keyword [sv]
Ålderskattnig, Ansikte, Maskering, Äldre, Självförankringseffekt
National Category
URN: urn:nbn:se:hig:diva-12061Archive number: PSC-H11-8OAI: diva2:533747
Subject / course
Social and Behavioural Science, Law
Available from: 2012-06-27 Created: 2012-06-14 Last updated: 2012-06-27Bibliographically approved

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Molin, Martin
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