This was a Research and Developmental study designed to develop and validate projects for Junior Secondary School Basic Science instruction and evaluation. The projects were developed using the project blueprint and sent for validation by experts in science education and measurement and evaluation; using a project validation scale. They were to…

In this study, predictive classification accuracy was used to select those tasks from a kindergarten screening battery that best identified children who, three years later, were classified as educable mentally handicapped or as having a specific learning disability. A subset of measures enabled correct classification of 91% of the children in…

This article addresses a pervasive need in the area of videoconference-supported distance language learning: task design. On the basis of Chapelle's (2001) criteria for CALL task appropriateness, this article proposes a set of criteria for evaluating videoconferencing-based tasks which examine such aspects of a task as practicality,…