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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The own-group bias in face processing: the effect of training on recognition performance

Wittwer, Tania 02 March 2021 (has links)
The own-group bias in face recognition (OGB) is the greater facility to distinguish and recognize people from one's own group at the expense of people from other-groups. The OGB has been studied for many years, however, very little research focuses on finding a way to decrease or eliminate it, through training. Reporting five studies involving memory or matching tasks, the aim of the present thesis was to develop and to explore to what extent training can decrease or remove the OGB. French White participants, and South African White, Black and Coloured participants took part in different studies, using Black and White faces as stimuli. In each study, White participants from both countries presented the expected OGB prior to any intervention. However, the presence of the OGB in South African Black participants was detected only in one (matching task) study, instead recording a higher discrimination performance by Black participants for White faces in the other studies. As expected, South African Coloured participants did not display increased discrimination performance for any of the other stimuli groups, both being out-group stimuli. Results from the training studies revealed either (a) no effect of a distributed training in feature focus over 5 weeks; (b) an increase of the OGB after a focus on critical facial features; (c) a decrease of the OGB in a task-specific training using pictures whose quality had been manipulated, and; (d) an important implication of the presence/absence of the target in a field detection study. With some promising results, the present work contributes to our understanding of how training could be used to improve face-recognition, and especially other-group face recognition.
2

Dissociating Self-Similarity and Self-Relevance in the Own-Group Bias

Deska, Jason C. 23 April 2015 (has links)
No description available.
3

The role of gender in face recognition

Rehnman, Jenny January 2007 (has links)
<p>Faces constitute one of the most important stimuli for humans. Studies show that women recognize more faces than men, and that females are particularly able to recognize female faces, thus exhibiting an own-sex bias. In the present thesis, three empirical studies investigated the generality of sex differences in face recognition and the female own-sex bias. <i>Study I</i> explored men’s and women’s face recognition performance for Bangladeshi and Swedish female and male faces of adults and children. Result showed sex differences, favoring women, for all face categories. <i>Study II </i>assessed boys’ and girls’ ability to recognize female and male faces from two age- and ethnic groups. The result demonstrated that girls recognize more faces than boys do, but that no sex differences were present for Swedish male faces. The results from <i>Study I</i> and <i>II</i> consistently demonstrate that females show reliable own-sex biases independent of whether the female faces were young, old, or of Bangladeshi or Swedish origin. In an attempt to explain the mechanisms of sex differences in face recognition and the female own-sex bias, <i>Study III</i> investigated men’s and women’s recognition performance for androgynous faces, either labeled “men”, “women”, or “faces”. The result showed that women told to remember “women” recognized more faces than women told to remember faces labeled “men” or “faces”, and that sex differences were present for androgynous faces, regardless of the label. Based on these findings, it is suggested that females’ attention is in particular directed towards other females, resulting in an own-sex bias. It is also suggested that there may be a difference in females’ and males’ orientation toward other individuals. This difference can have a biological base, which together with socialization may result in sex differences in face recognition. </p>
4

The role of gender in face recognition

Rehnman, Jenny January 2007 (has links)
Faces constitute one of the most important stimuli for humans. Studies show that women recognize more faces than men, and that females are particularly able to recognize female faces, thus exhibiting an own-sex bias. In the present thesis, three empirical studies investigated the generality of sex differences in face recognition and the female own-sex bias. Study I explored men’s and women’s face recognition performance for Bangladeshi and Swedish female and male faces of adults and children. Result showed sex differences, favoring women, for all face categories. Study II assessed boys’ and girls’ ability to recognize female and male faces from two age- and ethnic groups. The result demonstrated that girls recognize more faces than boys do, but that no sex differences were present for Swedish male faces. The results from Study I and II consistently demonstrate that females show reliable own-sex biases independent of whether the female faces were young, old, or of Bangladeshi or Swedish origin. In an attempt to explain the mechanisms of sex differences in face recognition and the female own-sex bias, Study III investigated men’s and women’s recognition performance for androgynous faces, either labeled “men”, “women”, or “faces”. The result showed that women told to remember “women” recognized more faces than women told to remember faces labeled “men” or “faces”, and that sex differences were present for androgynous faces, regardless of the label. Based on these findings, it is suggested that females’ attention is in particular directed towards other females, resulting in an own-sex bias. It is also suggested that there may be a difference in females’ and males’ orientation toward other individuals. This difference can have a biological base, which together with socialization may result in sex differences in face recognition.
5

The Role of Social Categorization in the Own Group Bias

Wilson, John Paul 28 July 2013 (has links)
No description available.

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