Collaborative knowledge construction - theoretical and methodological aspects

The focus of the pap er is on important theoretical perspectives on collaborative knowledge construction: The socio-genetical perspective, the cognitive - perspective of information processing, the socio-cultural and situated perspectives, the perspective of argumentative discoursed and the perspective of collective information processing. Each perspective is, described with respect to its basic idea, main research questions, theoretical aspects of collaborative knowledge construction in discourse, and methodology typically applied. On this background, conclusions for theory building and empirical research are drawn.