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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

Player preferences regarding age representation in visual character design : A comparison between two demographics

Möller, Måns January 2018 (has links)
The visual appearance of video game characters carries great importance in regards to how a player perceives them. This also holds true for characters that are meant to represent the player in games, their avatars. In this thesis, the topic of preferences regarding visual appearance in relation to age of player avatars is explored. Interviews were held with participants from two age demographics in order to find potential differences and analyse them. The two age demographics consisted of middle aged swedes and young adult swedes. In the interviews, the respondents were given choices between eight different characters sketches. These eight sketches consisted of two groups, one meant to appear as being in the same age group as the young adult swedes and one meant to appear as being part of the middle aged swedes age group. After having made their choices, the respondents were asked to explain the motivation behind them. In order to gain a deeper understanding of the thought process that fueled their answers, the respondents were also prompted to answer question regarding their gaming habits, and their preferences in characters in other mediums than games. Results from the interviews indicated that there were trends in the choices made by the participants that differed between the two demographics. A majority of the demographic consisting of young adult swedes chose characters that were designed to appear closer to their age. Similarly, a majority of the middle aged demographic chose characters that were designed to appear closer to their age group. In short, a majority of the participants from both demographics showed a preference towards characters that were closer to their own age group.
2

How do different visual representations of a player avatar in Virtual Reality affect player arousal?

Tawbi, Jad, Sandstedt, Axel January 2022 (has links)
Virtual Reality (VR) is a growing frontier of immersive consumable content. It provides an additional layer of immersion, namely presence, which can be described as the feeling of being somewhere, in this case, inside a virtual environment, thus accepting it as real. We utilise existing game design, VR, and perception models and theories to create prototypes that test the effect of realism in the representation of the player avatar on the felt presence in VR. We consider the concepts of “game feel”, “presence”, “scales of realism” and the “Uncanny Valley” theory when building the framework for this study. Furthermore, we create three prototypes with increasing levels of visual polish and three test groups (N = 36 adults) are made to play through one of the prototypes each. Galvanic skin response (GSR) is used to measure arousal response, a measure used to quantify degrees of presence. Participants are instructed to interact with two stimuli that share the same behaviours, first a virtual toy car and then a virtual spider. The instructions for the interactions with each stimulus are identical. Results from t-tests and linear mixed-effects modelling (LMM) show indications of effectiveness of increased player avatar visual polish on producing higher arousal response readings, suggesting an increased sense of presence. Additionally, some behavioural patterns that emerged suggest a heightened sense of embodiment. We argue that the findings validate the implementation of higher visual fidelity in player avatars, in pursuit of impacting a subject’s level of arousal when exposed to a virtual spider. This has implications for game designers, psychotherapists, and researchers who aim to use VR to induce an immersive state in individuals. / Virtuell verklighet (engelska: “Virtual Reality”) är ett växande område av konsumerbara innehåll som medverkar till att användaren ska kunna försvinna bort i en artificiell verklighet. Den engelska termen “immersion” är välanvänd inom speldesign och syftar inom denna kontext på ett uppslukande av användarens uppmärksamhet när de interagerar med ett datorspel. Virtuell verklighet bidrar med ytterligare ett lager av “immersion” nämligen genom närvaro (engelska: “Presence”). Närvaro hänvisar till känslan att befinna sig på en viss plats, i detta fall i en virtuell miljö. Vi har nyttjat sedan tidigare kända modeller och teorier relaterade till speldesign, virtuell verklighet och kognitiva förmågor som utgångspunkt för att utveckla tre prototyper. Målet med dessa prototyper är att testa vilken effekt en mer realistisk representation av en användares virtuella kropp (engelska: “Player Avatar”) kan ha på den upplevda närvaron i en virtuell verklighet. De tre prototyperna har avsikten att öka den visuella detaljrikedomen (engelska: “Polish”) på en skala från en abstrakt representation av en mänsklig kropp till en mer realistisk och faktisk representation. Deltagande i experimenten bestod av N = 36 vuxna individer, uppdelade i tre testgrupper. Vi använder galvanisk hudrespons (“GSR”) för att mäta fysiologiska responser, vars data vi använder för att kvantifiera olika grader av närvaro. Deltagarna är instruerade att interagera med två olika stimuli, som innehar samma beteendemönster, först en virtuell leksaksbil och sedan en virtuell spindel. Resultaten från t-testerna och de linjära modellerna med blandade effekter (engelska: “Linear Mixed-Effect Modelling” eller “LMM”) gav indikationer på att en högre visuell trofasthet av deltagarens virtuella kropp resulterade i en större fysiologisk respons vilket kan tolkas som att deltagarna upplevde en större närvaro. Vidare upptäcktes vissa upprepade beteendemönster som kan tolkas som indicier på att deltagarna upplevde en högre nivå av förkroppsligande i korrelation till de mer visuellt imponerande prototyperna. Vi lägger fram argumentet att fynden i denna studie validerar implementationen av en högre visuell trofasthet i spelarnas virtuella kroppar med syftet att påverka deltagarens fysiologiska respons när de exponeras för en virtuell spindel. Detta har implikationer för speldesigners, psykoterapeuter och forskare som eftersträvar att inducera ett sorts uppslukande tillstånd bland individer.

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