The purpose of this study was to examine the effectiveness of three different interface types on Web-based instruction: a text-based interface, a graphical interface and a metaphorical interface. In order to determine differences among three interface groups, we compared learning performance, cognitive load, usability, and appeal with various data…

Growing science apathy at the K-12 education level represents an alarming development with potentially devastating consequences at individual, societal and economic levels. Technology has been incorporated in science education without fundamentally improving test scores or student attitudes. We claim the core of the problem is how technology is…

Self-, peer-, and collaborative-assessment aim at integrating learning and assessment and promoting the active engagement of learners in the assessment process. This article presents a web-based environment, referred to as PECASSE, which supports these assessment methods. In addition to the basic functions of uploading learners'…

ExplaNet is a web-based, anonymous, asynchronous explanation-sharing network. Instructors post questions to the network and students submit explanatory answers. Students then view and rank the explanations submitted by their peers before optionally resubmitting a final and revised answer. Three classroom evaluations of ExplaNet showed that by…