Re-examining the Reliability and Validity of the Scale to Measure the Tendency of Risk-Taking Behaviour

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  • MORIIZUMI Shingo
    Graduate School of Human Sciences, Osaka University Japan Society for the Promotion of Science
  • USUI Shinnosuke
    Graduate School of Human Sciences, Osaka University

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  • リスクテイキング行動尺度の信頼性・妥当性の再検討
  • リスクテイキング コウドウ シャクド ノ シンライセイ ・ ダトウセイ ノ サイケントウ

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Abstract

Although the risk propensity questionnaire (RPQ) developed by Moriizumi et al. (2010) is a reliable and valid scale to measure the tendency to take risks in daily life, there remain some limitations that should be considered. In order to re-examine the reliability of RPQ, a questionnaire survey was conducted for 1058 people in various age groups. The results of factor analysis confirmed the reliability of RPQ by removing a few items from it. For the purpose of re-testing the validity of RPQ, an experiment was conducted by means of the balloon analogue task (BART ; Lejuez et al., 2002) to measure the risk-taking behaviour empirically. In the experiment, the relationship between RPQ and BART was examined by considering each RPQ factor. The results suggested the validity of RPQ, although some RPQ factors were not supported statistically. The need for further study to indicate the utility of RPQ was discussed.

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