TY - JOUR PY - 2014// TI - Modeling the effect of loudness and semantics of speech warnings on human performances JO - Proceedings of the Human Factors and Ergonomic Society annual meeting A1 - Zhang, Yiqi A1 - Wu, Changxu SP - 817 EP - 821 VL - 58 IS - 1 N2 - The quantitative prediction and understanding of human performances in the responses to speech warnings is an essential component to improve warning effectiveness. Queuing network-model human processor (QN-MHP), as a computational architecture, enables researchers to model dual-task information processing. The current study enhanced QN-MHP by modelling the effect of loudness and semantics on human responses to speech warning messages. The model predictions of crash rate were validated with two empirical studies in collision warning systems with resultant R squares of 0.73 and 0.77, respectively. The developed mathematical model could be further utilized in optimizing the design of speech warnings to achieve most safety benefits.

Language: en

LA - en SN - 2169-5067 UR - http://dx.doi.org/10.1177/1541931214581172 ID - ref1 ER -