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Lev Semyonovich Vygotsky (Russian: Лев Семёнович Выготский, [vɨˈɡotskʲɪj]; Belarusian: Леў Сямёнавіч Выгоцкі; November 17 [O.S. November 5] 1896 – June 11, 1934) was a Russian and Soviet psychologist, best known for his work on psychological development in children and creating the framework known as cultural-historical activity theory.
Aleksei Nikolayevich Leontiev [1] (Russian: Алексе́й Никола́евич Лео́нтьев, IPA: [lʲɪˈonʲtʲjɪf]; February 18, 1903 – January 21, 1979), was a Soviet Russian developmental psychologist and philosopher and a founder of activity theory.
Activity theory (AT; Russian: Теория деятельности) [1] is an umbrella term for a line of eclectic social-sciences theories and research with its roots in the Soviet psychological activity theory pioneered by Sergei Rubinstein in the 1930s. It was later advocated for and popularized by Alexei Leont'ev.
Diverse philosophical and psychological sources inform activity theory. [12] In subsequent years, a simplified picture emerged, namely the idea that there are three principal 'stages' or 'generations' of activity theory, or "cultural-historical activity theory (CHAT). [26] [27] [28] [7] 'Generations' do not imply a 'better-worse' value judgment ...
This theory of personality factors and the self-report instrument used to measure them are known respectively as the 16 personality factor model and the 16PF Questionnaire (16PF). [ 16 ] Cattell also undertook a series of empirical studies into the basic dimensions of other psychological domains: intelligence , [ 17 ] motivation , [ 18 ] career ...
North Dakota Sen. Kevin Cramer told Raju he was frustrated that Trump had not made his bottom lines clearer sooner. And asked whether it was possible to raise the debt ceiling in only two days, he ...
Dads tend to have the most fun hobbies — fishing, golfing, bird watching, and, if you're my father-in-law, storytelling.He tends to be an incredibly fun person to shop for this time of year, but ...
George Alexander Kelly (April 28, 1905 – March 6, 1967) was an American psychologist, therapist, educator and personality theorist. He is considered a founding figure in the history of clinical psychology and is best known for his theory of personality, personal construct psychology. [1]