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Social Christian Unity Party
The Social Christian Unity Party (Spanish: Partido Unidad Social Cristiana, PUSC) is a center-right Christian democratic party in Costa Rica, formed in 1983 by the merger of four parties.
Social class
Social class: groups sharing similar standing by wealth, income, education, family background, and occupation. Central concepts from Marx, Weber, and Bourdieu; measured by schemes like EGP and PISA's ESCS.
Social class in ancient Rome
Social class in ancient Rome ordered society into patricians, equestrians, plebeians, freedmen, and slaves, ranked by ancestry, wealth, citizenship, and census; formal hierarchy coexisted with notable social mobility, especially under the empire.
Social class in the United Kingdom
Social class in the United Kingdom: stratification by occupation, education, wealth, and culture, officially measured via NS-SEC since 2001, academically via the Goldthorpe scheme, and multidimensionally via the 2011-2013 Great British Class Survey's seven classes.
Social class in the United States
Social class in the United States divides Americans into upper, middle, and lower classes based on income, occupation, education, and wealth. The core middle class shrank from 35.5% of families in 1979 to 30.8% in 2024 while the upper middle class grew, and class shapes health, mobility, and political power.
Social Climate Fund
The Social Climate Fund (SCF) is a European Union funding instrument of €65 billion supporting vulnerable households as the EU extends carbon pricing to buildings and road transport.
Social cognitive theory
Social cognitive theory, Bandura's behavioral theory from the 1986 book Social Foundations of Thought and Action, explains behavior via triadic reciprocal causation of behavior, personal factors, and environment, centered on self-efficacy and observational learning.
Social commentary
Social commentary is the act of saying something about subjects that affect society, or a work in art, literature, or journalism that voices views on society and encourages reflection.
Social Communication Questionnaire
The Social Communication Questionnaire (SCQ), formerly the Autism Screening Questionnaire, is a 40-item yes/no parent questionnaire that screens children over age 4 for autism spectrum disorder.
Social Conditions
Social Conditions is a MeSH descriptor (D012924) meaning the state of society as it exists or in flux, also called Living Conditions; closely tied to the WHO social determinants of health and health inequities.
Social conservatism
Social conservatism is an ideology favoring preservation of older norms on moral behavior, religion, tradition, and family, rooted in Edmund Burke and strong in American politics since the 1970s.
Social construction of gender
Social construction of gender: the theory that gender roles and hierarchies are produced through socialization, interaction, and institutions rather than being natural or inevitable; contrasted with gender essentialism, central to feminist sociology since West and Zimmerman's doing gender.
Social construction of technology
The social construction of technology (SCOT) is a science and technology studies approach treating technical artifacts as outcomes of social processes, formulated by Trevor Pinch and Wiebe Bijker in 1984.
Social constructionism
Social constructionism: theory that social and cultural factors, not natural ones, ground objects like gender, race, and money; founded on Berger and Luckmann's 1966 The Social Construction of Reality; distinct from social constructivism's individual cognitive focus; critiqued by Hacking and critical realists.
Social constructivism
Social constructivism: theory that knowledge and selfhood are built through social interaction. Rooted in Vygotsky's learning theory (ZPD, mediation) and used in philosophy of science and IR; distinguished from social constructionism and widely critiqued.
Social contract
Social contract theory: the idea that political legitimacy rests on agreement among those governed. Developed by Hobbes, Locke, Rousseau, and Kant; revived by Rawls with justice principles replacing consent.
Social control
Social control: the sociological concept for the mechanisms, formal and informal, through which societies maintain order and conformity; founded by Edward A. Ross (1901), central to Hirschi's control theory of delinquency.
Social corporatism
Social corporatism, also called social democratic corporatism, is an economic system of centralized wage bargaining between unions and employers, found mainly in the Nordic countries.
Social cost
Social cost is the total cost of an economic activity to society: private cost plus external costs imposed on others, as in the social cost of carbon used in US rulemaking since 2008.
Social cost of carbon
The social cost of carbon (SCC) estimates, in dollars, the damage from a 1-ton increase in CO2 emissions, and is the figure US agencies used to weigh climate rules.
Social Credit candidates, 1953 Manitoba provincial election
The Social Credit candidates in the 1953 Manitoba provincial election ran across rural and Winnipeg constituencies. The party won 35,750 votes and elected two members.
Social credit system (社会信用体系)
社会信用体系: China's fragmented set of government credit-record, blacklist, and joint reward/punishment schemes, not a single unified score; defined by the 2014 Planning Outline and 2025 opinions, run by NDRC, PBOC, courts, and city pilots.
Social Darwinism
Social Darwinism: pejorative term for applying Darwinian natural selection and 'survival of the fittest' (coined by Spencer, 1864) to society; used to justify imperialism, racism, and eugenics; popularized by Hofstadter's 1944 book, not used by Darwin himself.
Social democracy
Social democracy: reformist socialist political tradition from the German workers' movement, split from communism after 1917, reshaped by the SPD's 1959 Godesberg Program, associated with the Nordic welfare regime, and now facing electoral decline.
Social Democracy Party (Turkey)
Social Democracy Party (Sosyal Demokrasi Partisi, SODEP), Turkish social democratic party founded June 6, 1983 after the 1980 coup to carry the banned CHP base; led by Cezmi Kartay, won 23.4% in 1984 local elections, merged with HP in 1985 to form SHP.
Social Democrat Hunchakian Party
The Social Democrat Hunchakian Party (SDHP) is an Armenian political party founded in Geneva in 1887, the oldest Armenian party and the first socialist party in Turkey and Persia.
Social Democratic and Labour Party
The Social Democratic and Labour Party (SDLP), founded August 1970, is Northern Ireland's social democratic nationalist party, architect of the Good Friday Agreement, long led by John Hume, now electorally behind Sinn Féin.
Social Democratic Party (Estonia)
Social Democratic Party (Sotsiaaldemokraatlik Erakond, SDE), Estonia's centre-left social democratic party, re-founded 1990, current name since 2004; 9 Riigikogu seats in 2023, in government 2014–2019 and 2022–2025, in opposition since March 2025.
Social Democratic Party (Portugal)
Partido Social Democrata (PSD), Portugal's centre-right liberal-conservative party founded 6 May 1974 as the PPD by Sá Carneiro; renamed PSD in 1976; alternates in government with the Socialist Party.
Social Democratic Party (Romania)
The Social Democratic Party (Partidul Social Democrat, PSD) is Romania's largest center-left party, a PES member formed in 2001 from post-communist FDSN/PDSR; in 2026 it left the governing coalition and joined AUR to topple PM Bolojan.