Warning fatigue is not a myth
Fire Note 122 summarises recent Bushfire CRC scholarship recipient Brenda Mackie's completed PhD thesis. It examines the role that warning fatigue plays in the risk perceptions, warning response and decision-making processes of people living in bushfire-prone areas. The study showed that warning fatigue reduced attention to bushfire warnings, changing the way those surveyed thought about their bushfire risk and affecting their response to warnings. Unexpectedly, it was found that warning fatigue was highest at the beginning of the fire season, and decreased during the season. This was connected to ‘unofficial’ warnings, such as media reports during winter of the upcoming bushfire season – when official warnings were issued at the beginning of the fire season, the public were already tired of the message.
It is proposed that if emergency and disaster agencies differentiate between rapid-onset and prolonged lead-time disasters, understand the complexities of warning fatigue and design their warnings accordingly, then disaster risk communication will become more effective, thereby increasing public engagement and improving disaster response.
This new understanding of warning fatigue can help disaster-response agencies to improve their risk communications to communities, thereby better protecting lives and property.
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