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CHI '92 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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MULTIMEDIA '93 Proceedings of the first ACM international conference on Multimedia
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BCS-HCI '11 Proceedings of the 25th BCS Conference on Human-Computer Interaction
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This study compared user expectations and post-experience value judgments of TV based video calling with Personal Computer (PC)/webcam and face to face communications experiences. Eighteen same gender participant pairs carried out three tasks requiring visual and verbal communications within each condition. Results of the System Usability Scale (SUS) indicated significant differences between all conditions with F2F (face to face) and TV conditions both significantly better than the PC/webcam condition. The youngest age group (17-20) showed the smallest difference between TV and PC conditions. Pre and post experience ratings showed no change in the PC and F2F conditions however overall ratings for the TV condition increased. Subjective scoring indicated this to be due to better than expected performance for TV condition on almost all criteria, and the final rating was not significantly different from that of face to face condition. The study concludes that TV based video calling has the potential to approach the richness of communication afforded by face to face communication if certain design features and privacy/security functions are implemented in the system.