Introduces Coweb, which is based on the idea that any page is directly editable by any reader and any editor can create pages in the web site. Identifies activities implemented on Coweb and investigates the effects of activities using Coweb on student learning. (Contains 32 references.) (Author/YDS)

Investigates whether science permeates the design environment and is thus contexted within the other activities of collaborative management and technology. Focuses on which contexts gave rise to science talk. Studies a classroom with (n=33) students divided into seven teams. (Contains 46 references.) (Author/YDS)

Experiments with exercises that are distinguished from those employed with elite students by reducing competition and increasing cooperation through the use of tests against nature, large dynamic ranges in performance, initial prototype designs, and alternative methods of recording and presenting results. Finds that formulating easily understood…

Discusses the role and value of scaffolding student discussions in advancing students' ability to coconstruct theories and models from data they have collected while investigating floating and sinking. (Author/CCM)