Dictionary
Words, grammatical forms and meanings linked to the ontology.
activity theory en · NOUN
Meanings
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(uncountable) A line of eclectic social science theories and research with its roots in a Soviet theory pioneered by Sergei Rubinstein in the 1930s, seeking to understand human activities as systemic and socially situated phenomena and to go beyond paradigms of reflexology and classical conditioning.
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(uncountable) The theory that the human ageing process is delayed, and the quality of life enhanced, in people who stay active and maintain social interactions.