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Own-race bias effect on facial expression
BOLDIŠOVÁ, Michaela
The bachelor thesis deals with the phenomenon of own-race bias (ORB) and its influence on the recognition of facial expressions. The theoretical part presents a perception of the face and its neurological essence. It focuses more on the very concept of ORB, its development during childhood and research conducted in this area. Finally, there is a chapter on facial expressions and their universality. The empirical part presents the methodology of the designed research, which aims to find influence of own-race bias on the recognition of facial expressions and the finding of a possible connection with intercultural contact. In addition to the design of the experiment, this section contains a detailed procedure of research and insight into the already completed computer experiment. Furthermore, the used database (The RADIATE Face Stimulus Set) is analyzed in detail and there is described the way in which such a database is searched for, and a questionnaire to determine the degree of intercultural contact. Data tables have been prepared to make the database easier to use. In the chapter Methodological analysis, the actual experimental procedure is presented in the context of the methodology of other experiments in this area and the discussion includes an analysis of their results and theoretical knowledge on the topic. The empirical part thus presents the reader with the necessary methodological procedure for carrying out his own own-race bias experiment in facial expression.
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The relationship between facial morphology and physical strength: Testing of the Other-Race effect hypothesis
Klusáčková, Tereza ; Třebický, Vít (advisor) ; Pokorný, Šimon (referee)
Existing evidence shows people are able to attribute an individual's behavioural characteristics based on their facial features with a certain level of accuracy; one such characteristic is the perception of physical strength in potential opponents within the male intersexual competition. Physical strength seems be assessed upon the level of masculine facial features development. However, attributions may be influenced by other factors - namely personality traits of the evaluator or the so-called Other-race effect. In this study portrait photographs of men from Europe and Africa were rated by a group of European evaluators on a perceived physical strength. The aim of this study was to assess the link between attributed physical strength, actual physical strength (grip strength) and facial morphology described by relative facial width (fWHR) the Index of Masculinity (potential effects of age, body weight and height on said variables were controlled for). The use of stimuli of different ethnic origin enabled us to test the accuracy of physical strength attributions and actual physical strength in context to the Other-race effect hypothesis. According to its wording people tend to attribute characteristics with higher accuracy to individuals, who belong to the same population, or with whom they are...
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The relationship between facial morphology and physical strength: Testing of the Other-Race effect hypothesis
Klusáčková, Tereza ; Třebický, Vít (advisor) ; Pokorný, Šimon (referee)
Existing evidence shows people are able to attribute an individual's behavioural characteristics based on their facial features with a certain level of accuracy; one such characteristic is the perception of physical strength in potential opponents within the male intersexual competition. Physical strength seems be assessed upon the level of masculine facial features development. However, attributions may be influenced by other factors - namely personality traits of the evaluator or the so-called Other-race effect. In this study portrait photographs of men from Europe and Africa were rated by a group of European evaluators on a perceived physical strength. The aim of this study was to assess the link between attributed physical strength, actual physical strength (grip strength) and facial morphology described by relative facial width (fWHR) the Index of Masculinity (potential effects of age, body weight and height on said variables were controlled for). The use of stimuli of different ethnic origin enabled us to test the accuracy of physical strength attributions and actual physical strength in context to the Other-race effect hypothesis. According to its wording people tend to attribute characteristics with higher accuracy to individuals, who belong to the same population, or with whom they are...
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