Researchers have recommended using tasks that support students in reasoning covariationally to build productive meanings for graphs, rates of change, exponential growth, and more. However, not many recent studies have been done to identify how students reason when engaging in covariational reasoning tasks in undergraduate precalculus courses. In…

This speech explores the gap between curriculum theory and curriculum practice. It begins with a discussion of Joseph Schwab's pursuit of "the practical" in curriculum theory and then searches for a basis for "the practical." Schwab's theory involves two parts: "deliberation" as the process of dealing with a problem before taking action and "the…

As human understanding is largely metaphorical, what metaphor is, how children use it, and how they can be taught to use it more effectively are important educational concerns. A direct or indirect comparison between two apparently unlike things, metaphor consists of a topic, a vehicle of comparison, and ground--or traits--linking the topic and…

Using techniques of inference appraisal suggested by T. A. van Dijk and R. J. Sternberg, a study investigated whether by assigning particular writing tasks it would be possible to influence the way readers produce inferences about a text. Subjects, 52 ninth grade students, read especially prepared booklets and completed either a paraphrasing,…

Discusses language in the context of human development and civilization, examining a limitless field of studies and observations including the absorbent mind, the acquisition of language and grammatical structure, the linguistic capacity for abstract thought, the power of language and world community, the role of language and human uniqueness, and…