Starominski‐Uehara, M. (2021). Heuristics and protective behavior for floods. Risk, Hazards & Crisis in Public Policy, 12(4), 434-450.
summary by Claude:
The article examines the role of heuristics (rules of thumb or mental shortcuts) in influencing protective behavior against flood risks among households in flood-prone areas of Southeast Queensland, Australia. The key findings are:
Contrary to expectations from the literature, not every heuristic or maladaptive response (like fatalism, denial, wishful thinking) significantly correlated with the decision to not take protective actions against floods.
When all the heuristics were analyzed together, negative flood experience emerged as the main factor driving households to take protective actions like purchasing flood insurance, retrofitting/raising their property, or relocating.
The results support the Theory of Ecological Rationality, which argues that heuristics based on real-world experience can be effective decision-making tools under uncertainty, rather than being necessarily irrational or leading to more risk exposure.
The author suggests that flood mitigation policies should create models mimicking real-world decision processes to better understand how flood experience shapes risk perception and decision-making under uncertainty.
The study analyzed survey data from households in flood-prone Brisbane suburbs, modeling the influence of selected heuristics on taking four protective actions against floods. The key takeaway is that negative prior flood experience, rather than other hypothesized maladaptive responses, was the main driver of households adopting protective measures.