J. Med. Internet Res. - The Ume? University Database of Facial Expressions: a validation study.

Tópicos

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Resumo

CKGROUND: A set of face stimuli, called the Ume? University Database of Facial Expressions, is described. The set consists of 30 female and 30 male models aged 17-67 years (M = 30.19, SD = 10.66). Each model shows seven different facial expressions (angry, surprised, happy, sad, neutral, afraid, and disgusted). Most models are ethnic Swedes but models of Central European, Arabic, and Asian origin are also included.OBJECTIVE: Creating and validating a new database of facial expressions that can be used for scientific experiments.METHODS: The images, presented in random order one at a time, were validated by 526 volunteers rating on average 125 images on seven 10-point Likert-type scales ranging from "completely disagree" to "completely agree" for each emotion.RESULTS: The proportion of the aggregated results that were correctly classified was considered to be high (M = 88%).CONCLUSIONS: The results lend empirical support for the validity of this set of facial expressions. The set can be used freely by the scientific community.

Resumo Limpo

ckground set face stimuli call ume univers databas facial express describ set consist femal male model age year m sd model show seven differ facial express angri surpris happi sad neutral afraid disgust model ethnic swede model central european arab asian origin also includedobject creat valid new databas facial express can use scientif experimentsmethod imag present random order one time valid volunt rate averag imag seven point likerttyp scale rang complet disagre complet agre emotionresult proport aggreg result correct classifi consid high m conclus result lend empir support valid set facial express set can use freeli scientif communiti

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