Constructivism has emerged as one of the greatest influences on the practice of education in the last twenty-five years. Teachers have embraced constructivist-based pedagogy with an enthusiasm that is rare in these days of quick fixes and a shopping mall approach to school improvement (Powell, Farrar & Cohen, 1985). For many teachers, the focus on constructing meaning in the teaching-learning process resonates with prior beliefs because constructivist-based instruction firmly places educational priorities on students' learning.