Decision and Justification in the Social Dilemma of Recycling.II. Empirical Tests of Predictions from the Model

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In Kimura and Shinoki (2007), after criticizing Diekmann and Preisendörfers (1998; 2003) argument on the cognitive strategies to harmonize the discrepancy between attitudes and behaviors, we constructed a two-stage model of decision-making (rational choice) and justification (cognitive dissonance reduction) in a potential “social dilemma” situation, focusing on the problem of recycling. We deduced several propositions from our model and translated some of them into falsifiable predictions. In this paper, we analyze data from a social survey conducted in Sendai, Japan, in order to test these predictions: (1) On average, contributors estimate of others contribution is greater than non-contributors estimate of others contribution (the “false consensus effect”); (2) The proportion of the contributors who think that their marginal contribution plays a significant role in the well-functioning of the recycling system is greater than that of the non-contributors who think that their marginal contribution plays a significant role in the well-functioning of the recycling system; (3) On average, the normative consciousness concerning environmental problems is stronger among contributors than among non-contributors. We find that our predictions are almost supported. We also conduct a “critical experiment” in the natural settings on the mechanisms for the false consensus effect. The result reveals that our model is better than the selective exposure hypothesis in explaining it. We examine some possible objections to our model in order to consider what kind of research we need and to clarify the policy implication of our model.
数理社会学会の論文
2007-04-30

Decision and Justification in the Social Dilemma of Recycling.II. Empirical Tests of Predictions from the Model

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