1700s: Comte · Sieyès 1800s: Martineau · Tocqueville · Marx · Spencer · Pareto · Tönnies · Veblen · Simmel · Durkheim · Addams · Mead · Weber · Du Bois · Marcuse 1900s: Fromm · Adorno · Merton · Mills · Goffman · Bauman · Foucault · Habermas · Baudrillard · Bourdieu · Giddens Social norms are shared standards of acceptable behavior by groups.[1][2] Social norms can both be informal understandings
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