Buchumschlag

Evaluating WEBPOSE: A Posture Feedback System for Oral Presentations

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Veröffentlicht in:European Conference on e-Learning (Oct 2025), p. 162-170
1. Verfasser: Hummel, Stefan
Weitere Verfasser: Alomari, Mohamad, Schneider, Jan, Mouhammad, Nina, Klemke, Roland, Di Mitri, Daniele
Veröffentlicht:
Academic Conferences International Limited
Schlagworte:
Software
Usability
Smartphones
User experience
Public speaking
Feedback
Verbal communication
University faculty
Educational technology
Webcams
Automation
Skills
Conferences
Presentations
Design
Technology Acceptance Model
Authenticity
Skill development
Communication skills
Pretesting
Guidance
Employment Interviews
Questionnaires
Language Skills
Nonverbal Communication
Video Technology
Influence of Technology
Speech Communication
Researchers
Measurement Techniques
Pretests Posttests
Time
Laptop Computers
Computer Mediated Communication
Speech Skills
Formative Evaluation
Computer Software
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Abstract:Effective oral communication is a crucial skill in academic and professional contexts. However, practising and refining these skills is challenging without structured guidance and feedback. This paper presents a user evaluation of WEBPOSE, a web-based Oral Presentation Automated Feedback (OPAF) system that provides immediate feedback on posture to improve non-verbal communication skills. In this study, WEBPOSE was tested with sixteen researchers specialising in educational technology. Using a mixed-methods approach, which included a Technology Acceptance Model (TAM) questionnaire, open-ended questions, and observational data, we investigated the perceived user experience, usability, and usefulness of the system. The results indicate that WEBPOSE was generally perceived as user-friendly and beneficial for fostering self-awareness around body language and presentation timing. Moreover, user feedback also highlighted nonfunctional and functional points of improvement for WEBPOSE, such as improving the visualisations of the system status, and the display of the immediate feedback. This paper concludes with design implications for improving user guidance, feedback mechanisms, and the integration of structured rehearsal stages. These insights aim to inform the future development of scalable, user-centred OPAF systems that can effectively support the development of presentation skills.
ISSN:2048-8637
2048-8645
Quelle:Education Database