Activity theory
Activity theory (AT; ) 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 Lev Vygotsky , Alexei Leont'ev and Sergei Rubinstein. These scholars sought to understand human activities as systemic and socially situated phenomena and to go beyond paradigms of reflexology (the teaching of Vladimir Bekhterev and his followers) and classical conditioning (the teaching of Ivan Pavlov and his school), psychoanalysis and behaviorism. It became one of the major psychological approaches in the former USSR, being widely used in both theoretical and applied psychology, and in education, professional training, ergonomics, social psychology and work psychology.
Juan Antonio Pérez López
Juan Antonio Pérez López (1934–1996) was a Spanish business theorist. He was professor of "Organizational Behavior" at the IESE Business School (Spain), where he became Dean (1978–1984). He was also a visiting professor at PAD Business School of the Universidad de Piura (Peru) and IAE Business School of the Austral University (Argentina). His research and publications focus on Action Theory and its implications for Organizational Behavior. They collect and integrate economic, sociological, and ethical aspects.