The "Vision and Change in Undergraduate Biology Education: Call to Action" report has inspired and supported a nationwide movement to restructure undergraduate biology curricula to address overarching disciplinary concepts and competencies. The report outlines the concepts and competencies generally but does not provide a detailed…

Scientifically literate citizens need to understand how scientists evaluate competing explanations. Likewise, students must learn to critically evaluate the quality of scientific knowledge and weigh alternative explanations. Regrettably, high school graduates often are not critically evaluative about scientific topics. To help remedy that, this…

Provides a conceptual framework for teaching price theory and the substitution effects of price changes. Uses the example of student choice of course load to illustrate the usual substitution effect of a price change between goods, and is extended to substitution among differentiated products within a heterogeneous good. (LS)

Concepts, propositions, proposition sets, and process patterns are discussed as elements of a model of language-related basic thinking skills. The term "concept" is defined and illustrated, and a model of concept attainment is briefly described. Illustrations are offered for a set of 430 basic concept clusters intended for use as a…

Investigates high school students' understanding of the physical relationship of chromosomes and genes as expressed in their conceptual models and in their ability to manipulate the models to explain solutions to dihybrid cross problems. Describes three typical models and three students' reasoning processes. Discusses four implications. (YP)

Predicts that the paradigms of chaos theory will rapidly move into the social sciences, resulting in major changes in educational research and the study of the curriculum. Discusses the need for new metaphors and paradigms in the social sciences. Briefly characterizes previous educational principles and approaches. (MJP)

Intended for curriculum developers, this revised Framework presents a set of basic concepts for teaching K-12 economics. The revision reflects the change and development which the field of economics has undergone and includes improvements suggested by users of the first edition. The purpose of teaching economics is to impart a general…