10. Forum as “social environment of communication” Construction of a shared inter-subjectivity, i.e. a sense of sharing the same meanings and knowledge Self and external reference ( frequent use of personal pronoun “I” and “you”) Frequent recall of formal, linguistic and content aspects of the message to reply to Recall to the interlocutor indicator of a direct exchange, that confirms conversations’ flow and continuity Co –construction of knowledge = Path “ internal ”: awareness of own resources (many posts presents personal experiences and theories) and lacking (high percentage of questions) “ external ”: understanding other members’ theories, both accepting them with agreement, both revising them “ internal ”: construction of a shared and, at the same time, individually internalized knowledge