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	Scala di Fiducia nei Media (Media Trust Scale)	Scala della Fiducia Politica
Campo	Psicologia politica	Psicologia politica
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1994	1974
Ideatore	Mark D. West & Spiro Kiousis	Arthur H. Miller
Tipo	Self-report	Self-report
Fonte seminale	West, M. D. (1994). Validating a scale for the measurement of credibility: A covariance structure modeling approach. Journalism Quarterly, 71(1), 159-168.	Miller, A. H. (1974). Political issues and trust in government: 1964-1970. American Political Science Review, 68(3), 951-972.
Alias	MTS, Press Credibility Scale, News Media Confidence	PTS, Comparative Study of Electoral Systems (CSES) Trust Module
Correlati	3	3
Sintesi	The Media Trust Scale measures audience confidence in news media credibility, including perceptions of accuracy, fairness, completeness, and journalists' motivations. Developed by West (1994) and extended by Kiousis (2001), the scale captures both medium-specific trust (trust in TV news vs. newspapers vs. online news) and outlet-specific trust (CNN vs. Fox News vs. BBC vs. local news). Media trust is central to understanding political polarization, misinformation vulnerability, and the functioning of the democratic public sphere, as low-trust populations reject news sources entirely, opening space for alternative information ecosystems.	The Political Trust Scale measures citizen confidence in government institutions, elected officials, and the political system's responsiveness and fairness. Pioneered by Miller (1974) and operationalized across comparative electoral studies (CSES Module 5), the scale captures both diffuse trust (in the political system generally) and specific trust (in particular institutions such as parliament or the executive). It is central to understanding democratic legitimacy, political engagement, and support for democratic institutions.