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A influência da multissensorialidade em Realidade Virtual na experiência de utilização e na usabilidade
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Resumo(s)
A Realidade Virtual (RV) é capaz de proporcionar experiências com elevado nível de imersão, levando o utilizador a sentir que está realmente no ambiente virtual, fenómeno denominado de Presença. Porém, a maioria das experiências em RV tira partido apenas da visão, audição e háptica simples. A estimulação olfativa e háptica complexa é ainda pouco explorada em ambiente virtual. O presente projeto visou o estudo da influência dos incrementos de informação sensorial em ambiente virtual na experiência de utilização (UX) e na usabilidade.
Primeiramente, foi realizada a revisão da literatura para compreender as temáticas centrais da investigação. Posteriormente, a investigação ativa culminou na criação, avaliação e evolução de uma experiência virtual multissensorial capaz de fornecer estímulos visuais, auditivos, olfativos e hápticos complexos. O objeto foi avaliado quanto à UX, considerando a Presença e as reações emocionais, e à usabilidade, considerando a performance.
Os resultados sugerem que a adição de estimulação olfativa e háptica contribuiu para a melhoria da UX. Quanto à usabilidade, este incremento sensorial não se revelou benéfico para a performance. Mais se conclui que é necessário balancear o incremento sensorial a fim de se conseguir uma experiência de qualidade quanto à UX e à usabilidade em simultâneo.
Virtual Reality (VR) is capable of providing experiences with a high level of immersion, making the user feel that he really is in the virtual environment, a phenomenon called Presence. However, most VR experiences only take advantage of senses such as sight, hearing and simple haptics. Olfactory and complex haptic stimulation is still little explored in virtual environments. The present project aimed to study the influence of sensory information increments in a virtual environment on the user experience (UX) and usability. A literature review was carried out in order to understand the central themes of the investigation. Subsequently, active investigation culminated in the creation, evaluation and evolution of a multisensory virtual experience capable of providing visual, auditory, olfactory and complex haptic stimuli. The object was evaluated for UX, considering Presence and emotional reactions, and for usability, considering performance. The results suggest that the addition of olfactory and haptic stimulation contributed to the improvement of UX. As for usability, the increase did not prove to be beneficial for performance. The results lead to the conclusion that it is necessary to balance the sensorial increment in order to achieve a quality experience in terms of UX and usability at the same time.
Virtual Reality (VR) is capable of providing experiences with a high level of immersion, making the user feel that he really is in the virtual environment, a phenomenon called Presence. However, most VR experiences only take advantage of senses such as sight, hearing and simple haptics. Olfactory and complex haptic stimulation is still little explored in virtual environments. The present project aimed to study the influence of sensory information increments in a virtual environment on the user experience (UX) and usability. A literature review was carried out in order to understand the central themes of the investigation. Subsequently, active investigation culminated in the creation, evaluation and evolution of a multisensory virtual experience capable of providing visual, auditory, olfactory and complex haptic stimuli. The object was evaluated for UX, considering Presence and emotional reactions, and for usability, considering performance. The results suggest that the addition of olfactory and haptic stimulation contributed to the improvement of UX. As for usability, the increase did not prove to be beneficial for performance. The results lead to the conclusion that it is necessary to balance the sensorial increment in order to achieve a quality experience in terms of UX and usability at the same time.
Descrição
Palavras-chave
Realidade Virtual Multissensorialidade Experiência de utilização Usabilidade
Contexto Educativo
Citação
Editora
Faculdade Arquitetura, Universidade Lisboa