A Methodology for the Co-design of Shared VR Environments with People with Intellectual Disabilities: Insights from the Preparation Phase

Harris, Matthew C.; Brown, David J.; Vyas, Pratik; Lewis, James E.

doi:10.1007/978-3-031-05039-8_15

Cited by 6 publications

(2 citation statements)

References 13 publications

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“…Involving users with IDD in a software co-design process is something relatively novel although some previous works have already explored its use, as in [29], [37], [38]. Codesign ensures, as stated in [29], that requirements and needs of the users, in this case involving users with IDD, will be successfully reflected in the design, therefore leading to usable tools and succeeding in the user engagement.…”

Section: Previous Workmentioning

confidence: 99%

CONTACTO: A Social Networking Site for Supported-Employment Interventions for People With Intellectual and Developmental Disabilities

et al. 2022

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The main objective of this work is to determine whether social networks can be used to improve self-management skills in people with Intellectual or Developmental Disability (IDD) given the high rate of acceptance of such tools among them. The proposed methodology applies an employmentbased intervention to evaluate whether social network services help improve self-management skills. A fitfor-purpose social networking service is built, and different evaluation mechanisms are applied to determine the degree to which users with IDD could use the tool without assistance. The working hypothesis is that in order to ensure the usability of the implemented tool, users (with and without IDD) should be involved throughout the whole software development cycle, following a co-design methodological approach. Results demonstrate that this methodological approach leads to high satisfaction and motivation rates. In terms of effectiveness and efficiency, results demonstrate that the tool is useful and usable for people with IDD. It can therefore be concluded that social network services built having users with IDD at its center will help improve their self-management skills. The main implication of this research is that when using social network services as a tool to support interventions, special attention should be paid to previously evaluating the usability and motivation rate as a measure of how autonomously the person with IDD can use the tool. Nevertheless, further research is needed to determine the impact that such tools can have on other types of intervention. INDEX TERMSAssistive technologies for cognition, intellectual or development disabilities, selfmanagement, interventions, employment, usability,

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Section: Previous Workmentioning

confidence: 99%

CONTACTO: A Social Networking Site for Supported-Employment Interventions for People With Intellectual and Developmental Disabilities

et al. 2022

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“…In addition, IVR for the MBID group could transfer tangible content for an active rather than passive learning [10], thus evading the need for excessive language use and fostering skill acquisition by making mistakes [9]. However, applications of IVR and knowledge about requirements in MBID remain low [11], as few researchers have explored the interaction design using state-of-the-art hardware [12][13][14][15]. However, turning with one's own body and interacting via hand-based manipulations were found to benefit usability.…”

Section: Introductionmentioning

confidence: 99%

Immersive Virtual Reality Avatars for Embodiment Illusions in People With Mild to Borderline Intellectual Disability: User-Centered Development and Feasibility Study

Langener¹,

Klaassen²,

VanDerNagel³

et al. 2022

JMIR Serious Games

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Background Immersive virtual reality (IVR) has been investigated as a tool for treating psychiatric conditions. In particular, the practical nature of IVR, by offering a doing instead of talking approach, could support people who do not benefit from existing treatments. Hence, people with mild to borderline intellectual disability (MBID; IQ=50-85) might profit particularly from IVR therapies, for instance, to circumvent issues in understanding relevant concepts and interrelations. In this context, immersing the user into a virtual body (ie, avatar) appears promising for enhancing learning (eg, by changing perspectives) and usability (eg, natural interactions). However, design requirements, immersion procedures, and proof of concept of such embodiment illusion (ie, substituting the real body with a virtual one) have not been explored in this group. Objective Our study aimed to establish design guidelines for IVR embodiment illusions in people with MBID. We explored 3 factors to induce the illusion, by testing the avatar’s appearance, locomotion using IVR controllers, and virtual object manipulation. Furthermore, we report on the feasibility to induce the embodiment illusion and provide procedural guidance. Methods We conducted a user-centered study with 29 end users in care facilities, to investigate the avatar’s appearance, controller-based locomotion (ie, teleport, joystick, or hybrid), and object manipulation. Overall, 3 iterations were conducted using semistructured interviews to explore design factors to induce embodiment illusions in our group. To further understand the influence of interactions on the illusion, we measured the sense of embodiment (SoE) during 5 interaction tasks. Results IVR embodiment illusions can be induced in adults with MBID. To induce the illusion, having a high degree of control over the body outweighed avatar customization, despite the participants’ desire to replicate their own body image. Similarly, the highest SoE was measured during object manipulation tasks, which required a combination of (virtual) locomotion and object manipulation behavior. Notably, interactions that are implausible (eg, teleport and occlusions when grabbing) showed a negative influence on SoE. In contrast, implementing artificial interaction aids into the IVR avatar’s hands (ie, for user interfaces) did not diminish the illusion, presuming that the control was unimpaired. Nonetheless, embodiment illusions showed a tedious and complex need for (control) habituation (eg, motion sickness), possibly hindering uptake in practice. Conclusions Balancing the embodiment immersion by focusing on interaction habituation (eg, controller-based locomotion) and lowering customization effort seems crucial to achieve both high SoE and usability for people with MBID. Hence, future studies should investigate the requirements for natural IVR avatar interactions by using multisensory integrations for the virtual body (eg, animations, physics-based collision, and touch) and other interaction techniques (eg, hand tracking and redirected walking). In addition, procedures and use for learning should be explored for tailored mental health therapies in people with MBID.

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Co-designing Virtual Environments for People with Intellectual Disabilities to Assess Cognitive Decline: Methodology

Harris

Brown

Vyas

et al. 2023

Communications in Computer and Information Science

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A Methodology for the Co-design of Shared VR Environments with People with Intellectual Disabilities: Insights from the Preparation Phase

Cited by 6 publications

References 13 publications

CONTACTO: A Social Networking Site for Supported-Employment Interventions for People With Intellectual and Developmental Disabilities

CONTACTO: A Social Networking Site for Supported-Employment Interventions for People With Intellectual and Developmental Disabilities

Immersive Virtual Reality Avatars for Embodiment Illusions in People With Mild to Borderline Intellectual Disability: User-Centered Development and Feasibility Study

Co-designing Virtual Environments for People with Intellectual Disabilities to Assess Cognitive Decline: Methodology

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