There are many approaches and theories emphasizing the role of mediation in human activity (see e.g. Engeström 1987, 37-73). According to L. S. Vygotsky the relationship between human beings and their environment is conditioned upon and fostered by tools and signs, which are an inextricable third element in the relationship (see Vygotsky 1978). In particular, cultural artifacts and means are crucial elements providing linkages between activities of human beings and their material and social environment.

See also types of medation.


Engeström, Y. (1987). Learning by expanding. Helsinki: Orienta-Konsultit.

Vygotsky, L. S. (1978). Mind in society: The development of higher psychological processes. Cambridge, MA: Harvard University Press.

Back to the Trialogical Glossary
  Page Info My Prefs Log in
This page (revision-3) last changed on 18:24 25-Mar-2017 by Sami Paavola.
JSPWiki v2.4.102