Theoretical Sample
- critical case study (Luria, National Commission on Education)
- representative case (Piaget, Lawler, Kress, Dowling, Luria)
- quota sample (market research)
- matched groups (Warschauer)
Dowling, P. C. (1998). The Sociology of Mathematics Education: Mathematical Myths/Pedagogic Texts. London, Falmer.
Kress, G. (1993). "Against Arbitrariness: the social production of the sign as a foundational issue in critical discourse analysi." Discourse and Society 4(2): pp. 169-91.
Lawler, R. W. (1985). Computer Experience and Cognitive Development: a child's learning in a computer culture. Chichester, Ellis Horwood.
Luria, A. R. (1976). Cognitive Development: its cultural and social foundations. Cambridge, Mass., Harvard University Press.
Nationa Commission on Education. (1995). Success Against the Odds. London: Taylor & Francis
Piaget, J. (1932). The Moral Judgement of the Child. London, RKP.