Creating single-subject (SS) graphs is challenging for many researchers and practitioners because it is a complex task with many steps. Although several authors have introduced guidelines for creating SS graphs, many users continue to experience frustration. The purpose of this article is to minimize these frustrations by providing a field-tested…

This thesis describes a project to design a primary school physics learning environment which takes into account teachers' needs, design procedures, properties of the learning environment, and pupil learning outcomes. The project's design team has wide experience in research and development work in relation to science education, the use of ICT in…

The National Center for Research in Vocational Education (NCRVE) was consulted to improve the formative evaluation design for the Principles of Technology (PT) curriculum materials developed by the Center for Occupational Research and Development (CORD) and the Agency for Instructional Technology (AIT). Because the NCRVE entered the formative…