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Judging the urgency of nonvocal auditory warning signals: perceptual and cognitive processes



Judging the urgency of nonvocal auditory warning signals: perceptual and cognitive processes



Journal of Experimental Psychology. Applied 9(3): 196-212



Previous research has identified acoustic properties modulating the perceived urgency of alarms. The authors conducted 3 experiments using a multidimensional approach in which participants made acoustic dissimilarity judgments and urgency dissimilarity judgments for pairs of sequences. Experiment 1 confirmed the validity of acoustic parameters in urgency perception of experimental alarms. Experiment 2 confirmed the role of these acoustic parameters with real alarms but suggested the importance of additional factors. Experiment 3 compared the relative degrees of urgency of alarms from Experiments 1 and 2, highlighting the role of both sequence structure and associated mental representation. The authors conclude that the design of alarms should not be based exclusively on acoustic factors but should also take into consideration the acquisition of an appropriate mental representation.

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Accession: 049431652

Download citation: RISBibTeXText

PMID: 14570513

DOI: 10.1037/1076-898X.9.3.196


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