Constructivism is a student centered teaching model that encourages learning as an internal process where new knowledge is built upon past knowledge.
A constructivist teacher has several characteristics ,including facilitator ,understanding, collaborative, student centered, higher order thinking and social interactions.
The constructivist classroom gives primacy to ;peer tutoring ,group activity ,self assessment , dignified discussion ,cooperative learning and face to face interaction...
In the constructivist classroom autonomy is given to students.