Most teachers of mathematics would agree that a student's major difficulty when studying mathematics is the mastery of "vocabulary." A taxonomy could provide an outline of the various types of vocabulary and could suggest their relative interrelationships. One proposed taxonomy has five levels that seem to recur. The levels seem to have…

Technical writing instructors lack a framework for evaluating pedagogical materials. One framework for classification divides the pedagogical materials into three groups: those locating their heuristics in form, context, and method. Formal pedagogies (the modes, sentence generation) can produce generic writing, separated from audience, purpose,…