The teaching of mathematics is mostly done with tasks that learners and teachers do or solve, in and outside of class. These tasks, which are used to illustrate concepts in mathematics, are referred to in this paper as examples in mathematics. Examples that teachers choose and use are fundamental to what mathematics is taught and learned, and what…

This study investigates cultural and communication medium effects on conversational argumentation in a decision-making context. Chinese and U.S. participants worked in pairs on two decision-making tasks via face-to-face (FtF) and instant messaging (IM). The analyses showed that Chinese participants tended to engage in potentially more complex…

The design and reliability testing of two instruments--the Macro Argumentation Structure (MARS) and the Coalition forming and Dominance (CODOM)--to assess the deliberation process (argumentation and interaction) during curriculum conferences/decision making are reported. The study was conducted at the Department of Education of the University of…

A person-situation interactionist theory to explain Australian student decisions to pursue higher education is advanced and a model is tested using data from Victoria and Queensland. Results of statistical analyses are generally consistent with expectations. Certain interactive effects of variables in the model are examined. (Author/MSE)

Three large, unstructured workshops (500-800 people) demonstrated how large groups of people can participate together and collectively choose ways of action aimed at satisfying all. Particular significance given to participants' shift away from looking for outside sources of answers, values and standards to discovery of strengths and answers…