Using Psychophysics to Design Speech Warnings

E. Hellier; B. Weedon; J. Edworthy; K. Walters

doi:10.1177/154193120004402253

Using Psychophysics to Design Speech Warnings

E. Hellier^*, B. Weedon, J. Edworthy, K. Walters

^*Corresponding author for this work

School of Psychology

City, University of London

Research output: Contribution to journal › Conference proceedings published in a journal › peer-review

Abstract

An experiment is reported which applies psychophysical scaling techniques to the design of speech warnings. Participants used magnitude estimation to rate the perceived urgency of computer generated warning signal words (Deadly, Danger, Warning, Caution, Note) that varied systematically in speed. Stevens (1957) Power Law was used to model the relationship between changes in the acoustic parameter and changes in the perceived urgency of a particular signal word. The value for warning designers of the power function exponent, which quantifies and predicts the effect of acoustic changes on perceived urgency, is discussed.

Original language	English
Pages (from-to)	698-701
Number of pages	0
Journal	Proceedings of the Human Factors and Ergonomics Society Annual Meeting
Volume	44
Issue number	22
DOIs	https://doi.org/10.1177/154193120004402253
Publication status	Published - Jul 2000

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title = "Using Psychophysics to Design Speech Warnings",

abstract = " An experiment is reported which applies psychophysical scaling techniques to the design of speech warnings. Participants used magnitude estimation to rate the perceived urgency of computer generated warning signal words (Deadly, Danger, Warning, Caution, Note) that varied systematically in speed. Stevens (1957) Power Law was used to model the relationship between changes in the acoustic parameter and changes in the perceived urgency of a particular signal word. The value for warning designers of the power function exponent, which quantifies and predicts the effect of acoustic changes on perceived urgency, is discussed. ",

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AU - Weedon, B.

AU - Edworthy, J.

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AB - An experiment is reported which applies psychophysical scaling techniques to the design of speech warnings. Participants used magnitude estimation to rate the perceived urgency of computer generated warning signal words (Deadly, Danger, Warning, Caution, Note) that varied systematically in speed. Stevens (1957) Power Law was used to model the relationship between changes in the acoustic parameter and changes in the perceived urgency of a particular signal word. The value for warning designers of the power function exponent, which quantifies and predicts the effect of acoustic changes on perceived urgency, is discussed.

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DO - 10.1177/154193120004402253

M3 - Conference proceedings published in a journal

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JO - Proceedings of the Human Factors and Ergonomics Society Annual Meeting

JF - Proceedings of the Human Factors and Ergonomics Society Annual Meeting

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Using Psychophysics to Design Speech Warnings

Abstract

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