THE EFFECT OF PHONE INTERFACE AND DIALING METHODON SIMULATED DRIVING PERFORMANCE AND USERPREFERENCE

摘要

Previous research on the use of cell phones while driving has attempted to determine if voice-activateddialing differs from manual dialing in terms of driving performance. However, these studies havegenerally not examined other calling methods (e.g. calling stored nametags) and have not examined thedifferences between different phone interfaces. The present study examined driver performance and userpreference using three different phones with different manual and voice interface applications in a drivingsimulator. Twelve drivers participated in one two-hour session. Their task was to follow a lead vehicle,maintaining a safe headway and basic control of the vehicle while performing different dialing tasks.Results showed that overall voice dialing resulted in longer task times and higher error rates than manualdialing, but calling a stored nametag by voice resulted in similar task times and error rates as manuallycalling a stored nametag or manual digit dialing. Findings suggest that manual speed dialing is thepreferred method for dialing while driving, and that differences between various phone interfaces cangreatly affect driving performances results.