Current policy efforts that seek to improve learning in science, technology, engineering, and mathematics (STEM) emphasize the importance of helping all students acquire concepts and tools from computer science that help them analyze and develop solutions to everyday problems. These goals have been generally described in the literature under the…

At a time when implementation of electronic portfolios (EPs) is expanding, the issues of clarifying their purposes continue to plague teacher education programs. Are student-centered uses of EPs compatible with program assessment and accreditation efforts? Is this an either/or situation, or can a productive middle ground be forged? This article…

This study reports on a district-wide research-based professional development (PD) that included 207 teachers and administrators. Data were collected from pre/post surveys, content analysis of the participants' wiki pages, and a follow-up questionnaire. Findings indicate that participants significantly improved their foundational and technical…

This article examines a collaborative study that two teacher educators conducted across two sites. Participants included teacher candidates implementing a digital language experience approach project with elementary learners. The teacher candidates collaborated across sites, building joint wikis to examine their processes and products. The wikis…

Portfolio authoring tools within teacher preparation institutions have changed dramatically as portfolios have moved from paper to electronic formats and now to the Web. This study used Engestrom's Cultural-Historical Activity Theory (1987) to examine how portfolio tools, along with external influences and institutional contexts, mediate the…