A variety of research studies reveal the advantages of actively engaging students in the learning process through collaborative work in the classroom. However, the complex nature of the learning environment in large college general chemistry courses makes it challenging to identify the different factors that affect students' cognitive and social…

For the thirty-ninth time, the Research and Theory Division of 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.…

This study was undertaken as an effort to inform secondary school planners relative to the effects of the long block-of-time class period for fewer days on the achievement, retention and attitudes of pupils. The study was limited to six class groups enrolled for Biology I and six class groups enrolled for Plane and Solid Geometry at Cape…

This three-part paper describes the development of a software program called "The Growth Curve of Microorganisms" for a tenth-grade biology class. Designed to improve students' cognitive skills, the program enables them to investigate, through computer simulations, the impact upon the growth curve of a population of three variables: temperature,…