Science education today has become increasingly focused on research into complex natural, social and technological systems. In this study, we examined the development of high-school biology students' systems understanding of the human body, in a three-year longitudinal study. The development of the students' system understanding was evaluated…

For the forty-second time, the Association for Educational Communications and Technology (AECT) is sponsoring the publication of these Proceedings. Papers published in this volume were presented at the annual AECT Convention in Las Vegas, Nevada. The Proceedings of AECT's Convention are published in two volumes. Volume 1 contains papers dealing…

The purposes of this study were to determine preservice physics teachers' instructional beliefs and to investigate the relationship between their beliefs and practices. The theoretical framework was based on the combination Haney & McArthur's ("Science Education," 86(6):783-802, 2002) research and Ford's (1992) motivation systems theory. A…

This document is part of a five-module training package to help employment and training service providers comply with the Workforce Investment Act (WIA) of 1998 and develop a one-stop training and employment services system. It contains the participant workbook, trainer manual, and activity worksheets for a module on collecting and using customer…