An interactive 3D virtual environment to reduce the public speaking anxiety levels of novice software engineers

Software engineering is a set of activities that relies no only on technical tasks but also requires abilities focused on social duties such as daily meetings and product introduction presentations. However, engineers may experience elevated levels of anxiety when required to present their work in an unfamiliar environment. More specifically, they may suffer from public speaking anxiety even though they are supposed to be effective in those social tasks as well as in their engineering activities. Fortunately, previous studies suggest that virtual exposure therapy is an effective strategy to reduce public speaking anxiety. In this study, an interactive 3D virtual environment similar to real classrooms and auditoriums was developed to examine if this might decrease the anxiety levels of novice software engineers. To compare traditional and virtual exposure therapy, the sample set (N = 14) was divided equally into 2 groups including one experimental group and one control group. For 4 weeks, the virtual exposure therapy was conducted in the experimental group whereas psychoeducation was used in the control group. The findings from our study illustrate that virtual exposure therapy may be represent an alternative solution to the traditional therapeutic intervention for software engineers seeking to overcome public presentation anxiet

Beyond the screen – The potential of smartphone apps and immersive technologies in exposure-based interventions for phobias

Specific phobias are extremely common among adults. They are characterized by strong emotional reactions and avoidance behavior when exposed to the feared stimuli. Specifically fears concerning heights or animals such as spiders are highly prevalent, followed by fear of social situations such as fear of public speaking. The gold standard in treating specific phobias is exposure-based therapy. However, exposure-based therapy is limited in its practicability in clinical routine and poses a high hurdle for affected individuals. Virtual and augmented reality (VR/AR) smartphone apps offer attractive platforms to simulate exposure situations and by that increase the accessibility of mental health services in general. Thus, novel smartphone-based treatments hold the potential to facilitate the dissemination of exposure-based treatments for specific phobias. The studies presented as part of this thesis aimed at investigating three newly developed interventions for fear of heights, fear of public speaking and fear of spiders, using the currently available advanced technologies. In the first study (Bentz et al., 2021), a stand-alone, automated and gamified VR exposure app Easyheights was developed using 360° images. The app’s effectiveness to reduce fear of heights and avoidance behavior was investigated in a randomized controlled trial in an adult population with clinical and subclinical fear of heights. The repeated use of the app led to reduced fear and avoidance behavior in a real-life situation on a tower. For the second study (Müller, Fehlmann et al., 2022), the developed stand-alone, automated and gamified VR exposure app Fearless Speech aimed at reducing public speaking anxiety (PSA) and avoidance of eye contact. A virtual audience with 360° videos was used for the exposure and gaze control for the eye contact training. The app was investigated in a randomized controlled trial in healthy adults with subclinical PSA. After the repeated use of the app, participants showed reduced fear and improved eye contact in a real-life speech situation. The third study (Zimmer et al., 2021) examined the developed stand-alone, automated and gamified AR exposure app Phobys. In comparison to VR, AR has only recently been introduced to clinical research. The app was designed to reduce fear, disgust and avoidance behavior in adults with clinical and subclinical fear of spiders. The results of the randomized controlled trial showed that repeatedly using the app led to reduced fear, disgust and avoidance behavior in a real-life situation with a real spider. The results of these studies support the potential of stand-alone, automated VR and AR interventions delivered through smartphone apps. The developed apps allow for a high-quality user experience with a highly realistic environment, gaze control for an easy navigation as well as the possibility of interaction. In addition, gamification elements foster engagement with the apps. All three investigated apps offer low-threshold and low-cost treatment for individuals affected by specific phobias. Testing the effectiveness of these newly developed apps in real-life settings sets them apart from previous studies. Hence, this thesis highlights the potential of using smartphone apps with immersive technologies to advance and disseminate exposure-based treatments for specific phobias

Virtual and Augmented Reality: New Frontiers for Clinical Psychology

In the last decades, the applied approach for the use of virtual reality (VR) and augmented reality (AR) on clinical and health psychology has grown exponentially. These technologies have been used to treat several mental disorders, for example, phobias, stress-related disorders, depression, eating disorders, and chronic pain. The importance of VR/AR for the mental health field comes from three main concepts: (1) VR/AR as an imaginal technology, people can feel “as if they are” in a reality that does not exist in external world; (2) VR/AR as an embodied technology, the experience to feel user’s body inside the virtual environment; and (3) VR/AR as connectivity technology, the “end of geography’. In this chapter, we explore the opportunities provided by VR/AR as technologies to improve people’s quality of life and to discuss new frontiers for their application in mental health and psychological well-being promotion

Pasado, presente y futuro de la Realidad Virtual: análisis a partir de las variables tecnológica y de definición del término

Developments in Virtual Reality (VR) technology are currently arousing great scientific interest because in just a few years, VR has found its niche not only in the specialised public, but also in society in general and in different contexts, thanks to its many uses in different contexts and the decreasing price of VR viewing devices. To many, this technology may appear to be a novelty of the 21st century, but its origins go back several decades. Taking into account these aspects, this article aims to analyse the past and present of VR from two perspectives: one focused on its technological development and one on its conceptual evolution. This historical overview, in turn, will allow us to address the future applications of VR in different disciplines. The study provides the reader with an indepth analysis of VR that will contribute to the understanding of this technology and its uses.Hoy en día todo lo relacionado con la Realidad Virtual (RV) despierta un gran interés científico. Tal es así que en pocos años ha conseguido hacerse un hueco no solo entre el público especializado, sino también entre la sociedad en general, ya que, sus aplicaciones son muchas y en diferentes contextos. Este hecho ha sido posible en gran medida gracias al imparable desarrollo tecnológico y al abaratamiento de los dispositivos de visualización. Parecería, por tanto, que esta tecnología es una novedad del sigo XXI, pero lo cierto es que sus orígenes se remontan varias décadas en el pasado. Teniendo en cuenta estos aspectos, este artículo tiene como objetivo analizar el pasado y el presente de la RV desde una doble perspectiva: la que tiene que ver, por una parte, con su desarrollo tecnológico y, por otra, con la definición del término. Dicho recorrido histórico, a su vez, permitirá abordar las perspectivas de futuro de la RV desde el punto de vista de sus aplicaciones dentro de diferentes disciplinas. Todo ello dotará al lector de una visión en profundidad acerca de la tecnología de la RV que servirá para comprender

Development and evaluation of an interactive virtual audience for a public speaking training application

Einleitung: Eine der häufigsten sozialen Ängste ist die Angst vor öffentlichem Sprechen. Virtual-Reality- (VR-) Trainingsanwendungen sind ein vielversprechendes Instrument, um die Sprechangst zu reduzieren und die individuellen Sprachfähigkeiten zu verbessern. Grundvoraussetzung hierfür ist die Implementierung eines realistischen und interaktiven Sprecher-Publikum-Verhaltens. Ziel: Die Studie zielte darauf ab, ein realistisches und interaktives Publikum für eine VR-Anwendung zu entwickeln und zu bewerten, welches für die Trainingsanwendung von öffentlichem Sprechen angewendet wird. Zunächst wurde eine Beobachtungsstudie zu den Verhaltensmustern von Sprecher und Publikum durchgeführt. Anschließend wurden die identifizierten Muster in eine VR-Anwendung implementiert. Die Wahrnehmung der implementierten Interaktionsmuster wurde in einer weiteren Studie aus Sicht der Nutzer evaluiert. Beobachtungsstudie (1): Aufgrund der nicht ausreichenden Datengrundlage zum realen interaktiven Verhalten zwischen Sprecher und Publikum lautet die erste Forschungsfrage "Welche Sprecher-Publikums-Interaktionsmuster können im realen Umfeld identifiziert werden?". Es wurde eine strukturierte, nicht teilnehmende, offene Beobachtungsstudie durchgeführt. Ein reales Publikum wurde auf Video aufgezeichnet und die Inhalte analysiert. Die Stichprobe ergab N = 6484 beobachtete Interaktionsmuster. Es wurde festgestellt, dass Sprecher mehr Dialoge als das Publikum initiieren und wie die Zuschauer auf Gesichtsausdrücke und Gesten der Sprecher reagieren. Implementierungsstudie (2): Um effiziente Wege zur Implementierung der Ergebnisse der Beobachtungsstudie in die Trainingsanwendung zu finden, wurde die Forschungsfrage wie folgt formuliert: "Wie können Interaktionsmuster zwischen Sprecher und Publikum in eine virtuelle Anwendung implementiert werden?". Das Hardware-Setup bestand aus einer CAVE, Infitec-Brille und einem ART Head-Tracking. Die Software wurde mit 3D-Excite RTT DeltaGen 12.2 realisiert. Zur Beantwortung der zweiten Forschungsfrage wurden mehrere mögliche technische Lösungen systematisch untersucht, bis effiziente Lösungen gefunden wurden. Infolgedessen wurden die selbst erstellte Audioerkennung, die Kinect-Bewegungserkennung, die Affectiva-Gesichtserkennung und die selbst erstellten Fragen implementiert, um das interaktive Verhalten des Publikums in der Trainingsanwendung für öffentliches Sprechen zu realisieren. Evaluationsstudie (3): Um herauszufinden, ob die Implementierung interaktiver Verhaltensmuster den Erwartungen der Benutzer entsprach, wurde die dritte Forschungsfrage folgendermaßen formuliert: “Wie beeinflusst die Interaktivität einer virtuellen Anwendung für öffentliches Reden die Benutzererfahrung?”. Eine experimentelle Benutzer-Querschnittsstudie wurde mit N = 57 Teilnehmerinnen (65% Männer, 35% Frauen; Durchschnittsalter = 25.98, SD = 4.68) durchgeführt, die entweder der interaktiven oder nicht-interaktiven VR-Anwendung zugewiesen wurden. Die Ergebnisse zeigten, dass, es einen signifikanten Unterschied in der Wahrnehmung zwischen den beiden Anwendungen gab. Allgemeine Schlussfolgerungen: Interaktionsmuster zwischen Sprecher und Publikum, die im wirklichen Leben beobachtet werden können, wurden in eine VR-Anwendung integriert, die Menschen dabei hilft, Angst vor dem öffentlichen Sprechen zu überwinden und ihre öffentlichen Sprechfähigkeiten zu trainieren. Die Ergebnisse zeigten eine hohe Relevanz der VR-Anwendungen für die Simulation öffentlichen Sprechens. Obwohl die Fragen des Publikums manuell gesteuert wurden, konnte das neu gestaltete Publikum mit den Versuchspersonen interagieren. Die vorgestellte VR-Anwendung zeigt daher einen hohen potenziellen Nutzen, Menschen beim Trainieren von Sprechfähigkeiten zu unterstützen. Die Fragen des Publikums wurden immer noch manuell von einem Bediener reguliert und die Studie wurde mit Teilnehmern durchgeführt, die nicht unter einem hohen Grad an Angst vor öffentlichem Sprechen leiden. Bei zukünftigen Studien sollten fortschrittlichere Technologien eingesetzt werden, beispielsweise Spracherkennung, 3D-Aufzeichnungen oder 3D-Livestreams einer realen Person und auch Teilnehmer mit einem hohen Grad an Angst vor öffentlichen Ansprachen beziehungsweise Sprechen in der Öffentlichkeit.Introduction: Fear of public speaking is the most common social fear. Virtual reality (VR) training applications are a promising tool to improve public speaking skills. To be successful, applications should feature a high scenario fidelity. One way to improve it is to implement realistic speaker-audience interactive behavior. Objective: The study aimed to develop and evaluate a realistic and interactive audience for a VR public speaking training application. First, an observation study on real speaker-audience interactive behavior patterns was conducted. Second, identified patterns were implemented in the VR application. Finally, an evaluation study identified users’ perceptions of the training application. Observation Study (1): Because of the lack of data on real speaker-audience interactive behavior, the first research question to be answered was “What speaker-audience interaction patterns can be identified in real life?”. A structured, non-participant, overt observation study was conducted. A real audience was video recorded, and content analyzed. The sample resulted in N = 6,484 observed interaction patterns. It was found that speakers, more often than audience members, initiate dialogues and how audience members react to speakers’ facial expressions and gestures. Implementation Study (2): To find efficient ways of implementing the results of the observation study in the training application, the second research question was formulated as: “How can speaker-audience interaction patterns be implemented into the virtual public speaking application?”. The hardware setup comprised a CAVE, Infitec glasses, and ART head tracking. The software was realized with 3D-Excite RTT DeltaGen 12.2. To answer the second research question, several possible technical solutions were explored systematically, until efficient solutions were found. As a result, self-created audio recognition, Kinect motion recognition, Affectiva facial recognition, and manual question generation were implemented to provide interactive audience behavior in the public speaking training application. Evaluation Study (3): To find out if implementing interactive behavior patterns met users’ expectations, the third research question was formulated as “How does interactivity of a virtual public speaking application affect user experience?”. An experimental, cross-sectional user study was conducted with (N = 57) participants (65% men, 35% women; Mage = 25.98, SD = 4.68) who used either an interactive or a non-interactive VR application condition. Results revealed that there was a significant difference in users’ perception of the two conditions. General Conclusions: Speaker-audience interaction patterns that can be observed in real life were incorporated into a VR application that helps people to overcome the fear of public speaking and train their public speaking skills. The findings showed a high relevance of interactivity for VR public speaking applications. Although questions from the audience were still regulated manually, the newly designed audience could interact with the speakers. Thus, the presented VR application is of potential value in helping people to train their public speaking skills. The questions from the audience were still regulated manually by an operator and we conducted the study with participants not suffering from high degrees of public speaking fear. Future work may use more advanced technology, such as speech recognition, 3D-records, or live 3D-streams of an actual person and include participants with high degrees of public speaking fear

Navigating uncharted waters: Designing business models for virtual and augmented reality companies in the medical industry

New technologies are at the heart of industry transformation. Virtual and augmented reality companies provide fundamentally new ways of communication, treatment, education, and specialist training within the medical industry. However, business models for new ventures that target the medical industry have received scant attention within academic research. Using a multiple case study approach, we analyze how virtual and augmented reality firms create value for their customers in the medical industry. In all, we have studied eight companies that offer different types of solutions for their target segments. The results of the analysis are four design elements consisting of twelve positions and three design themes that define the similarities and differences between the business models for the companies. We contribute to existing research within the field by analyzing business models of the investigated companies using a design approach, classifying the virtual and augmented reality companies, and analyzing the role of new technology in the development of the medical industry.publishedVersio

Attention and Social Cognition in Virtual Reality:The effect of engagement mode and character eye-gaze

Technical developments in virtual humans are manifest in modern character design. Specifically, eye gaze offers a significant aspect of such design. There is need to consider the contribution of participant control of engagement. In the current study, we manipulated participants’ engagement with an interactive virtual reality narrative called Coffee without Words. Participants sat over coffee opposite a character in a virtual café, where they waited for their bus to be repaired. We manipulated character eye-contact with the participant. For half the participants in each condition, the character made no eye-contact for the duration of the story. For the other half, the character responded to participant eye-gaze by making and holding eye contact in return. To explore how participant engagement interacted with this manipulation, half the participants in each condition were instructed to appraise their experience as an artefact (i.e., drawing attention to technical features), while the other half were introduced to the fictional character, the narrative, and the setting as though they were real. This study allowed us to explore the contributions of character features (interactivity through eye-gaze) and cognition (attention/engagement) to the participants’ perception of realism, feelings of presence, time duration, and the extent to which they engaged with the character and represented their mental states (Theory of Mind). Importantly it does so using a highly controlled yet ecologically valid virtual experience