The "Practical 1" paper combines Schwab's abiding concern, for the nature and quality of educational experience with another abiding concern, for how we think about what we do. The Practical 1 is the first of a set of four "practical" essays. These in turn are the product of his thinking about college education and his…

Seeks to identify some of the issues associated with the role of models in scientific explanations. Discusses factors which may influence the way that those explanations are understood and the judgment of their appropriateness by the various audiences involved. Contains 55 references. (DDR)

Tests the hypothesis that two general developmentally-based levels of hypothesis-testing skills exist. Finds a positive relationship between level of hypothesis-testing skill and performance on a transfer problem involving the test of a hypothesis based on unobservable entities. Also finds a positive relationship between level of…

Recently, the nature of science has enjoyed renewed attention in science education circles as a primary component of scientific literacy. This paper describes an investigation meant to assess the influence of a person's understanding of the nature of science on his or her decision-making regarding science- and technology-based issues, and to…

The purpose of this study was to examine Edward Lorenz's psychological processes and other environmental aspects in the discovery of chaos at that time. The general concept of chaos is discussed based on relations with previous scientific theories such as Newtonian physics and quantum mechanics. The constraints of discovery in terms of available…

Discusses problem-solving strategies and the successful strategy used to solve stoichiometric problems in general college chemistry courses. Reports that rereading problems, recalling a related concept, and reasoning deductively/inductively are the most heavily used strategies among 13 categories. (YP)

Describes a physics course designed to engage preservice elementary teachers in the practices and discourses of science through activities that would later be used with children. Presents an account of preservice teachers' progress in inventing and testing models, working with empirical data, critically evaluating and using authoritative sources,…

This proceedings covers the domain and content areas of learning and learners; curriculum and materials; instruction (including computer-assisted instruction); assessment and evaluation; history and philosophy of science; teacher preparation and professional development; and related areas of interest including environmental, special, health,…