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	Ideological Constraint Analysis	Scala di Ideologia Politica
Campo	Psicologia politica	Psicologia politica
Famiglia	Latent structure	Process / pipeline
Anno di origine	1964	1990
Ideatore	Philip E. Converse	Hans-Dieter Klingemann & Norberto Bobbio
Tipo	Belief-system structure analysis	Self-report
Fonte seminale	Converse, P. E. (1964). The nature of belief systems in mass publics. In D. E. Apter (Ed.), Ideology and Discontent (pp. 206-261). New York: Free Press. ISBN: 9780029006702	Fuchs, D., & Klingemann, H. D. (1990). The left-right schema. In M. Kent Jennings & Jan W. Van Deth (Eds.), Continuities in political action. Berlin: De Gruyter.
Alias	Belief System Constraint, Attitude Constraint Analysis, Issue Consistency Analysis	Left-Right Scale, Ideology Continuum, Political Spectrum Scale
Correlati	4	3
Sintesi	Ideological constraint analysis measures the degree to which an individual's or a public's political attitudes hang together in a coherent, predictable structure, the extent to which knowing a person's position on one issue lets you predict their positions on others. Introduced by Converse (1964) as the defining feature of a belief system, it is assessed through inter-item correlations, factor/latent-dimension models, and constraint indices.	The Political Ideology Scale measures individual self-placement on a left-right political spectrum, capturing fundamental preferences for government role, economic organization, and social values. The single-item self-placement measure (most common) asks respondents to rate themselves on a 0-10 or 0-100 continuum; multi-item versions assess distinct ideological dimensions (economic policy, social policy, nationalism). The left-right axis remains the dominant organizing principle of political competition globally, predicting party choice, policy preferences, and electoral behavior despite critiques that it oversimplifies multidimensional political space.