A heuristic approach to explaining of the Black-Scholes option pricing model in undergraduate classes is described. The approach draws upon the method of protocol analysis to encourage students to "think aloud" so that their mental models can be surfaced. It also relies upon extensive visualizations to communicate relationships that are…

Critical thinking alone is reactive, in that it lacks the creative elements necessary for social progress. Accordingly, the author has developed the CoRT (Cognitive Research Trust) program to teach the two aspects of perception: breadth (developing a perceptual map) and change (using the map to discover solutions). (TE)

A school district's program coordinator designed and implemented a practicum study intended to provide intermediate grade teachers and students with problem-solving techniques and skills needed for success in a course in contemporary Canadian issues. Teachers' and students' problem-solving skills were assessed through reports based on…

One of the strengths of the Pennsylvania Council of Teachers of Mathematics (PCTM) is that it gives mathematicians and mathematics educators the opportunity to exchange and contribute to each other's professional growth. The topic for each yearbook is chosen to coincide with the annual PCTM meeting. This 1986 yearbook contains 17 articles related…