We have found that non-STEM (science, technology, engineering, and mathematics) majors taking either a conceptual physics or astronomy course at two regional comprehensive institutions score significantly lower preinstruction on the Lawson's Classroom Test of Scientific Reasoning (LCTSR) in comparison to national average STEM majors. Based on…

Science requires imagination nourished by knowledge, experience and sustained critical thinking. Science teaching has the same requirements, but metacognition is even more important to a teacher than it is to a practitoner of science. Critical thinking is essential to both science and science teaching: in either domain, imagination relies on…

Students' reactions to classroom learning and the mastery of science vary along a wide spectrum of attitudes and emotions. In particular, we argue here that how learners encounter and learn subject matter is a function of their level of cognitive development. We describe the stages of cognitive development based on the work of William Perry and…

Addresses whether college chemistry instruction should begin at the concrete level of Piagetian cognitive development and what procedures can be used to induce abstract or formal thinking among those students who have not progressed beyond the concrete level. (CS)

Examined relation between college students' (N=108) ability to solve simple ratio tasks (for example, their proportional reasoning patterns) and their rule-governed behavior with the balance beam. Also identified modifications in a set of rules for the balance beam tasks. Results and implications for science instruction are discussed. (JN)

Based on the inference that a teaching strategy that facilitates students' cognitive development toward Piagetian formal operational thought patterns will also increase scholastic performance in introductory genetics, a self-study guide was developed, implemented and tested to facilitate a student's ability to apply formal operational thought…

Discusses the problem of mastering terminology, the role of language, and the structure of terminology in biology education. Provides a checklist for the presentation of science terms. Describes complexity of biological terminology and the difficulties often encountered by students. (CW)

Describes William Perry's scheme of intellectual development, focusing on the first five stages or positions collectively termed "ways of knowing." Suggests applications of this scheme for science teaching. (DS)

Offers an instructional approach to increase students' ability to employ mathematical operations as a means of physical measurement. (Author/JN)

The use of taxonomic scales to assess the level of student cognitive development and thinking skills, and to structure instruction is discussed. One instructor's method is presented. Perry's taxonomy is graphically illustrated. Sources for five assessment instruments are listed. (CW)

Comparisons of expert and novice problem solving in physics have helped characterize some of the key features of expert behavior. There is considerable debate, however, as to whether these characteristics are specific to the field of expertise (physics) or exportable to other fields. While the question seems difficult to answer in general, at…

Explains the differences between successful and unsuccessful problem solvers' exploration of a problem, translation of information into different forms, approach to devising and executing a plan, and rechecking work. (RT)

Describes a series of laboratory experiments designed to provide concrete experiences with advanced inorganic chemistry lecture topics. Stresses student invention of chemical relationships and periodicity according to physical properties and reaction type. Includes comments on student performance and attitudes toward the experiments. (JM)

Describes a lesson in which instruction is initiated through the right cerebral hemisphere by using visualizations as concrete aids to learning. Explanations include a hand model which is used to illustrate the dynamics of guard cell activity of stomates and a paper folding model to show increase in surface area. (RT)

States that constructivism is a theory of knowledge which asserts that knowledge is not primarily received, but actively built, and that the function of cognition is adaptive and serves the organization of the experiential world. Gives a brief history and discusses impact of the constructivist approach. (RT)