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	Conspiracy Mentality Questionnaire	有権者シニシズム尺度
分野	政治心理学	政治心理学
系統	Process / pipeline	Process / pipeline
提唱年	2013	1960
提唱者	Roland Imhoff & Marko Bruder	Angus Campbell et al.
種類	Self-report	Self-report
原典	Bruder, M., Haffke, P., Neave, N., Nouripanah, N., & Imhoff, R. (2013). Measuring individual differences in generic beliefs in conspiracy: Conspiracy Mentality Questionnaire. Frontiers in Psychology, 4, 225.	Campbell, A., Converse, P. E., Miller, W. E., & Stokes, D. E. (1960). The American voter. New York: John Wiley & Sons.
別名	CMQ, Conspiracy Ideation Scale, Generic Conspiracy Belief	PCS, Political Efficacy Cynicism, Electoral System Cynicism
関連	3	3
概要	The Conspiracy Mentality Questionnaire measures individual differences in generic conspiracy thinking—the tendency to attribute significant events to hidden, coordinated group actions by powerful actors rather than to incompetence, chance, or transparent public causes. Developed by Bruder et al. (2013), the five-item CMQ assesses a stable dispositional trait that predicts belief in diverse conspiracy theories (JFK assassination, 9/11 truthers, anti-vaccine narratives, QAnon) and distrust of institutions. It captures conspiracy mentality as a generalised political attitude distinct from specific beliefs.	The Voter Cynicism Scale measures citizen skepticism and disillusionment regarding the political process, including beliefs that the electoral system is rigged, politicians are self-serving, and voting does not matter. The measure captures a pessimistic orientation toward electoral democracy distinct from distrust in institutions (which can coexist with belief in democratic potential) or political alienation. Rooted in Campbell et al.'s American Voter (1960) tradition of measuring political efficacy and cynicism, the scale remains central to understanding voter turnout decline, support for populist alternatives, and democratic legitimacy crises.