The premise behind the cognitive approach to teaching is that understanding results when new learning is integrated with existing knowledge. But the goal of science instruction is to replace existing ideas with new theories. Current research in science education seeks to resolve these conflicting instructional approaches. (Author/VM)

Noting that conceptions of the cognitive representations and processes involved in discourse comprehension and production recently have undergone an important shift in orientation, this paper points out the importance of the shift to the conception of the nature of texts, of text understanding, and of cognitive processes in knowledge creation and…