A banknote is worth something only because everyone agrees it is
Strip away shared belief and a banknote is printed paper; a Tuesday is just another rotation of the planet. Social constructionism takes such examples seriously, arguing that much of what we treat as plain reality, from money's value to the calendar, is built and maintained through people constantly interacting and agreeing.
The idea spans sociology, social ontology and communication theory. Its core claim is that concepts, norms, values and beliefs arise from ongoing negotiation among members of a society rather than from observing the physical world. A social construct is the meaning a society attaches to an object or event and then acts upon. Such meanings shape how individuals behave and see themselves, and individuals in turn feed back into the shared story, so the process runs in both directions.
The list of things often described this way is long: the value of money, units of time, language, marriage, citizenship, social class, beauty standards and nationality, and, in a neat loop, the very notion of a social construct. Many constructionists go further and argue that language does not simply describe reality but helps create it, which fed into the wider linguistic turn in the humanities and the later rise of discourse theory.
The approach took hold with Peter Berger and Thomas Luckmann's 1966 book The Social Construction of Reality, drawing on symbolic interactionism and phenomenology. Berger and Luckmann credited Max Scheler, who founded the sociology of knowledge, and some scholars trace the roots back to the 18th-century Italian thinker Giambattista Vico. It is often contrasted with personal construct psychology, which emerged in the 1950s and pictured each person as a scientist testing theories about the world, and with social constructivism, which focuses on how individuals learn through group interaction.
Researchers apply the lens widely. A 2013 study of American media from 1960 to 2008 found coverage of poor people growing more negative, with words like lazy and fraud more common, alongside declining spending on social services. Criminologists ask how societies decide which unusual acts count as crimes, and therapists use related ideas in narrative and solution-focused therapy.
Source: Social constructionism
