No culture holds still. New things enter it through innovation — discovery and invention — and travel between societies through diffusion. But the objects move faster than the rules, and the gap they leave behind is cultural lag. Trace an innovation step by step, then learn to name each kind of change on sight.
Two speeds of culture
Pick an innovation to begin.
Cultural lag—
Innovation · diffusion · cultural lagchoose a mode to begin
Pick an innovation
Which kind of cultural change is this?
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Where sociologists take it next.Comte split the field into social statics (what holds a society together) and social dynamics (how it changes) — this page is dynamics. Functionalism (Durkheim) treats society as interdependent parts, so a change in one forces readjustment in the rest; Merton would add that every innovation has manifest functions (the car moves people) and latent ones nobody intended (suburbs, and courtship out of a parent's sight). Conflict theory (Marx) asks who owns the new technology, who profits, and who absorbs the harm while the rules are still unwritten — diffusion has often followed conquest and markets, not free exchange. Symbolic interactionism (Mead, Cooley, Goffman) works at the other end of the scale: a phone at the dinner table becomes rude only once people, in interaction, agree to define it that way — which is exactly how a lag closes. Weber would read the whole sequence as rationalization, each new tool extending calculated efficiency over more of life; Mills would call noticing your own irritation at that phone a piece of the sociological imagination.
Two things students mix up.Cultural lag (a term from William F. Ogburn, 1922) is a gap between parts of a culture — material culture outrunning nonmaterial culture — not a claim that some people are slow or backward. And diffusion is not invention: an item that is new to a group may be centuries old somewhere else.