This case study examined 15 teachers' beliefs about student-centered learning as they implemented Alien Rescue, a computer-based program for middle school science that was designed to create a student-centered learning environment (SCLE) in the classroom. Discusses the goal of student activity, the role of the teacher, assessment, and student…

Describes the development of "Alien Rescue," a hypermedia-based program designed to engage middle school students in solving a complex problem related to the solar system and that has a science fiction premise. Discusses planning; producing and testing; theoretical influences on the design methodology; and trends in educational software…

This study investigated the use of tools and design features as employed in a problem-based learning (PBL) environment and their effectiveness on seventh grade students' learning of science concepts. Specifically, the study examined: (1) the effect of the computer-supported PBL environment on the achievement of middle school students; (2) the…

Describes a study that examined the potential of a hypermedia-based expert tool to scaffold regular education sixth graders engaged in a problem-based learning program. Topics include cognitive apprenticeship support for problem-based learning; using hypermedia to offer expert modeling; attitudes toward the learning environment; and self-directed…

This article describes an innovative hypermedia product for sixth graders in space science: Alien Rescue. Using a problem-based learning approach that is highly interactive, Alien Rescue engages students in scientific investigations aimed at finding solutions to complex and meaningful problems. Problem-based learning (PBL) is an instructional…