This study attempted to determine the influence of prior knowledge in mathematics of students on learner-interface interactions in a learning-by-teaching intelligent tutoring system. One hundred thirty-nine high school students answered a pretest (i.e., the prior knowledge in mathematics) and a posttest. In between the pretest and posttest, they…

Most educators increasingly regard ill-structured problem solving as an important objective of learning and have sought various means to achieve it. In this article, we describe a learning environment to help pre-service teachers in Singapore solve ill-structured problems. There are four key dimensions in our learning environment: tutor-led…

Introduces an intelligent tutoring systems where the college-level learner deals with a teacher and a "troublemaker." Discusses the types of interaction in directive learning, peer learning and learning by disturbing; evaluates the impact of each strategy on learner self-confidence. For learners with low self-confidence, peer learning…