Discussion of the predictive evaluation of educational software, i.e. the evaluation of software prior to its intended use, focuses on a model known as the Jigsaw Model, which attempts to integrate usability and educational issues. Highlights include the failure of checklists for evaluation and two studies that tested the model with practicing…

Predictive evaluation of educational software is problematic because such instructional materials should be evaluated only setting by setting. A situated approach suggests that appropriate evaluation can be performed by considering interactions between the three principal actors in the development and use of the software: teacher, designer, and…

Discusses a new paradigm for choosing educational software, based on the perspectives of the teacher, student, and designer; describes a study of the use of this paradigm by a group of teachers. Results indicated the paradigm helped assessors to articulate a holistic awareness of educational issues, enabling a coherent review of pedagogical,…