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This paper aims to analyze the perception of teachers and students in courses set in virtual environments regarding the communication and collaboration as conductive factors in the construction of dialogue among students in distance education. The research methodology used consisted of a questionnaire with closed questions and semi structured interviews. The former was administered to teachers and asked about time of experience in teaching, resources used, collaboration in class, and knowledge as a social factor; the latter were conducted with students. The theoretical framework combined contributions by Vygotsky, Maçada/Tijiboy, Palloff/Pratt e Freire. The analysis of the results indicate that collaboration among students by means of strategies of interaction such as forum, wiki, problem-based learning and case method have the potential of promoting dialogue among students and, additionally, their retention and certification in their courses, as well as the construction of new knowledge. Two advantages pointed out in the statements were the sharing of knowledge and the collective construction thereof.

A Comunicação, a Colaboração e o Diálogo pela Web: uma Evidência