The paper is based on extensive research carried out on students of mathematics who had completed a university course of calculus. The basic purpose of the research was to determine the students' ...

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

https://doi.org/10.5951/mathteacher.109.9.0720 • https://www.jstor.org/stable/10.5951/mathteacher.109.9.0720 Copy URL ...