DE programming in higher education should be designed to increase student success, and well-designed corequisite models have shown great potential as an accelerated option for completion of the first college-level course in math. With the support of a Texas Higher Education Coordinating Board grant, Tarleton State University, a member institution…

Lesson study is a professional development activity that increases teachers' attention to student thinking. However, coordinating teachers' live observations of a lesson can be challenging. Using the framework of "distributed cognition," we investigate whether technology supports teachers' examination of student thinking and aids the…

For the forty-fourth time, the Association for Educational Communications and Technology (AECT) is sponsoring the publication of these Proceedings. Papers published in this volume were presented online and onsite during the annual AECT Convention. Volume 1 contains papers dealing primarily with research and development topics. Papers dealing with…

The process of metrication is seen ultimately to require a grass-roots movement to change traditional behavior patterns. The creation of metric leaders is viewed as a tool for speeding the process of acceptance. A model for the design and execution of leader-training sessions is detailed. (MP)

The following approaches to mathematics education, represented in German-speaking countries mainly, are analyzed: (1) the structuralist/formalistic approach; (2) the genetic approach; (3) the approach by elementarization; (4) the problem-solving approach; (5) the approach of Freudenthal; (6) the approach by project-orientation; (7)…