Describes two systems that incorporate tutoring elements into pre-existing software packages: one supporting Geometer's Sketchpad and the other Microsoft Excel. An analysis of their similarities and differences provides a foundation for standardizing the components of learning environments, simplifying their creation and increasing the power of…

Describes the pharma-CAL-ogy project, funded by Teaching and Learning Technology Programme (TLTP), which has developed various types of software for use in pharmacology courses. Topics include course organization and delivery software, drill and practice software, tutorial-type programs, simulations, and the need to integrate computer-assisted…

Describes a study of fifth- and sixth-grade students that assessed the relationship of group size, exposure time, and attributions on children's performance on drill and practice of tutorial microcomputer tasks. Results of hierarchical regression are discussed and it is suggested that software designers focus on appropriate feedback to enhance…