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	Indeks Kapitału Społecznego	Skala zaufania instytucjonalnego
Dziedzina	Socjologia polityki	Socjologia polityki
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1986–2000	1975–2011
Twórca	Pierre Bourdieu, Robert Putnam, Michael Woolcock	David Easton, Marc Hetherington, Pippa Norris
Typ	Self-report questionnaire / Behavioral frequency	Self-report questionnaire
Źródło pierwotne	Putnam, R. D. (2000). Bowling alone: The collapse and revival of American community. Simon & Schuster.	Hetherington, M. J. (2005). Why trust matters: Declining political trust and the demise of American liberalism. Princeton University Press.
Inne nazwy	SCI, Social Capital Scale	ITS, Institutional Confidence Index
Pokrewne	5	4
Podsumowanie	The Social Capital Index measures the stock of social connections, networks, and civic participation within an individual's or community's social ecosystem. Rooted in the theoretical work of Pierre Bourdieu and popularized by Robert Putnam, social capital encompasses bonding capital (ties within homogeneous groups), bridging capital (ties across different groups), and linking capital (connections to institutions and power). Comprehensive indices assess networks, trust, organizational membership, volunteering, and informal mutual aid.	The Institutional Trust Scale measures an individual's confidence and trust in formal political and social institutions including parliament, courts, police, media, and civil service. Distinct from generalized interpersonal trust, institutional trust reflects belief in the legitimacy, fairness, and effectiveness of formal organizations that structure governance and public life. Developed in political science by scholars including David Easton and Marc Hetherington, it is a key indicator of democratic health and governance legitimacy.