Abstract
The efficacy of two warning-related factors to produce cautionary behavior in a chemistry laboratory task was examined. Experiment 1 compared the effects of a posted-sign warning and a within-instruction warning on behavioral compliance. The results showed that a warning embedded in a set of task instructions produced significantly greater compliance (the wearing of protective gear) than a similar, larger warning posted as a sign nearby. Experiment 2 reexamined the effect of location and also examined the influence of the presence versus absence of pictorials. The results of Experiment 2 confirmed the location effect of Experiment 1. No influence of pictorials was noted, although there was a nonsignificant increase in compliance when pictorials were added to the within-instruction warning. The results indicate that warning placement is important for eliciting behavioral compliance to safety messages. Explanations such as differences in field of view and perceived relevance are discussed.
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