We consider group decision-making on an optimal stopping problem, for which large and stable individual differences have previously been established. In the problem, people are presented with a sequence of five random numbers between 0 and 100, one at a time, and are required to choose the maximum of the sequence, without being allowed to return…

A study of students' group learning behavior in a laboratory course in experimental engineering at the University of New South Wales, Australia is reported. Observations of students at work and students' reports of their group activities indicate continuing group involvement in an extensive range of collaborative peer learning activities.…

Noting that collaboration can enhance children's ability to solve problems of increasing difficulty, this paper discusses the theory of collaborative talk in the classroom and how it can be applied. The first section of the paper introduces the notion of collaborative talk by describing a classroom setting and offering an excerpt of two children…