Abstract
The nonrandom distribution of situational fears has been explained by evolutionary survival relevance of specific fears. Thirty-eight stimuli were taken from the literature on “preparedness” and were scored on fearfulness, objective dangerousness, and spatiotemporal unpredictability by three separate groups of students. The same items were scored on survival relevance by 15 biologists. Fearfulness of cues significantly correlated not only with survival relevance but also, and even more strongly, with dangerousness and unpredictability. While the fear/survival relevance association virtually disappeared when the “unpredictability” contribution was partialed out, the fear/unpredictability correlation was only marginally affected when controlling for survival relevance. This suggests that nonrandomness of feared stimuli may result from the spatiotemporal unpredictability that is attributed to these stimuli. The current practice of using snakes and spiders as “phobia-relevant,” and flowers and mushrooms as “neutral,” cues was not justified by the ratings of the 15 independent experts.
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This study was supported in part by a grant from the Dutch Organization for Fundamental Research (ZWO/Psychon, 560-268-001).
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Merckelbach, H., van den Hout, M.A., Jansen, A. et al. Many stimuli are frightening, but some are more frightening than others: The contributions of preparedness, dangerousness, and unpredictability to making a stimulus fearful. J Psychopathol Behav Assess 10, 355–366 (1988). https://doi.org/10.1007/BF00960628
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DOI: https://doi.org/10.1007/BF00960628