Warnings have several purposes, including the communication of hazard information and promotion of safe behavior. The present study examined how compliance is affected by viewing duration of product manual warnings and the presence and content of on-product warnings for a computer memory installation task involving an electrostatic discharge hazard. Analyses showed that both the presence of an ANSI-style label and longer manual exposure increased behavioral compliance. The additive effect of exposure time and label presence and content suggest that both previous exposure to warning information and effective on-product warning design benefit compliance.
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