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The effect of knowledge and ignorance assessments on perceived risk

机译：知识和无知评估对感知风险的影响

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摘要

This study investigated the effects of two different types of subjective knowledge assessments on the level of knowledge assessment and risk perception in five risk domains: health, environment, crime, economy, and transport (Appendix 1). The two types of knowledge assessments were regular knowledge assessments and ignorance assessments, in which the participants were asked to assess their lack of knowledge. Furthermore, the effect of the order in which the subjective knowledge assessments and risk assessments were performed was investigated. Four different experimental conditions were used to explore the effects. In the knowledge first condition, all regular knowledge assessments were performed, followed by all risk assessments. In the alternate condition, the participants alternated between the knowledge assessments and risk assessments. In the risk first condition, the participants performed all risk assessments, followed by all knowledge assessments. Finally, in the ignorance first condition, the participants performed all ignorance assessments, followed by all risk assessments. The ignorance assessments indicated higher subjective knowledge ratings than the regular knowledge assessments in the first three conditions. The order in which the regular knowledge assessments were performed had no effect on the risk assessments. However, the ignorance assessments were associated with the lowest risk assessments of all four conditions. The participants may have associated their difficulty finding examples of ignorance with a lack of risk.
机译：本研究调查了两种不同类型的主观知识评估对五个风险领域的知识评估和风险感知水平的影响：健康，环境，犯罪，经济和运输（附录1）。两种类型的知识评估是定期知识评估和无知评估，其中参与者被要求评估他们缺乏知识。此外，调查了对执行主观知识评估和风险评估的顺序的效果。使用四种不同的实验条件来探索效果。在知识的第一条件下，进行所有常规知识评估，然后进行所有风险评估。在备用条件下，参与者在知识评估和风险评估之间交替。在风险第一条件下，参与者进行了所有风险评估，其次是所有知识评估。最后，在无知的第一条件下，参与者进行了所有无知评估，其次是所有风险评估。无知评估表明了前三个条件中的常规知识评估更高的主观知识评级。对常规知识评估进行的顺序对风险评估没有影响。然而，无知评估与所有四种条件的风险评估最低有关。参与者可能与缺乏风险发现无知的例子相关。

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