Factors Affecting Psychophysical Numbingin Risk Perception

Psychophysical numbing refers a phenomenon in which the perceived value of saving a fixed number of lives decreases as the total number of lives at risk (“reference group size”) increases. The first experiment replicated factors affecting psychophysical numbing in a different experimental procedure than previous researches. The results showed that psychophysical numbing responding increased, when decision makers evaluated the options in the economic-focus. The second experiment examined the psychophysical numbing in two different presentation mode, namely separate versus joint presentation. In contrast to affect heuristic and evaluability hypothesis, psychophysical numbing increased in joint presentation, in which two options could be compared and analysed. The problems of present theories explaining psychophysical numbing and alternative theories were discussed.

keywords: 정신물리적 무감각, 위험 지각, 경제적 관점, 제시양식, 감정 추단법, 평가가설, Psychophysical numbing, risk perception, economic focus, presentation mode, affect heuristic, evaluability hypothesis, Psychophysical numbing, risk perception, economic focus, presentation mode, affect heuristic, evaluability hypothesis

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Article Contents

Vol.18 No.1

Factors Affecting Psychophysical Numbingin Risk Perception

Abstract

Reference

The Korean Journal of Cognitive and Biological Psychology