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Chapter Summary

The book begins with a short historical narrative for the benefit of those who are not familiar with the story of CHAT. The remainder of the book is made up of three parts. The first part, chapters 3 to 12, is an historical excursus, exploring the 19th century origins of the key ideas which were deployed in the founding of CHAT. The second part, chapters 13 to 24 is an immanent critique of CHAT, working through Vygotsky 's original work, Leontyev 's Activity Theory , Yrjö Engeström 's version of Activity Theory and the Cultural Psychology of Michael Cole . The third part, chapters 25 to 31, begins with a proposal to overcome the impasse and open up a route for the further development of CHAT. This proposal is then defended, and it is shown that the sidebenefits of resolving the impasse include an interdisciplinary concept of activity.

Keywords: CHAT; cultural psychology; leontyev; michael cole; vygotsky



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