The Effects of Numeracy on Change in Fear of Risk about Radioactive Substances in Food and Tokyo Inland Earthquake

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  • IKAWA Miho
    Graduate School of Education, Kyoto University Japan Society for the Promotion of Science
  • KUSUMI Takashi
    Graduate School of Education, Kyoto University

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Other Title
  • ニューメラシーがリスク情報提供後の不安変化に及ぼす影響―食品中の放射性物質と首都直下型地震を題材として―
  • ニューメラシー ガ リスク ジョウホウ テイキョウ ゴ ノ フアン ヘンカ ニ オヨボス エイキョウ : ショクヒン チュウ ノ ホウシャセイ ブッシツ ト シュト チョッカガタ ジシン オ ダイザイ ト シテ

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Abstract

<p>Numeracy is defined as the ability to understand and use mathematical and probabilistic concepts, and one of the central components of risk literacy. However, there were not so many studies about the effect of numeracy on fear after risk information was provided. This study conducted a nationwide online survey to investigate the effect of numeracy on fear when providing information about risk comparison: a method to compare same risks at different times. The reason why risk comparison was used is that it is one of the methods for communicating risk as probabilistic concept. Results showed that people with higher numeracy more decreased their fear after the level of risk decreased, while people with lower numeracy increased their fear. These results were obtained with two materials about radioactive substances in food and Tokyo inland earthquake.</p>

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