This paper reviews several studies on aptitude treatment interaction, the interaction between the learners' individual differences and methods of instruction. Specifically, it investigates the relationship between previous knowledge, including previously held misconceptions, and instructional methods. It is suggested that significant interactions…

Discusses the need to consider students' pre-existing conceptual schemes when teaching chemistry. Reports on a study done in Spain which indicates that the existence of adolescents preconceptions about gases is important to consider when teaching the principles of conservation of substance, mass, and weight. (TW)

Reviews the purposes, underlying assumptions, and curriculum development model for the United Kingdom's "Children's Learning in Science Project." Explains the general features and phases of the constructivist approach to learning that the program advocates. Identifies theoretical developments on children's ideas, the constructivist view…

Describes a program for sixth grade students developed by the Methacton School District (Norristown, PA) Planetarium staff. Provides brief outlines of eight teaching units designed to provide students with hands-on activities in astronomy. Includes a reproducible worksheet for an activity which involves students in creating and decoding…

Considers variables which affect the acquisition of the kinetic theory of heat by children who hold alternative viewpoints. Suggests that the articulation of different viewpoints in no way hinders the acquisition of the desired conceptual framework. Emphasizes the benefit to low-reasoning students in particular. (CW)

This paper reviews the research on mathematics teacher education and mathematics education reform to provide a possible foundation for educating mathematics teachers in rural Appalachia. The paper takes the position that teacher change has certain characteristics and impediments that are not limited to any particular circumstance. Research on…

Students' alternative conceptions arise out of an interconnected system of beliefs: about the nature of science, of learning, of the natural and social world. Cross-cultural perspectives on these world views are therefore essential. This study probed middle school students' conceptions about plants. Tribal students were found to have a richer and…

This narrative account describes issues confronted by third grade students, their teacher candidates, and their experienced teacher as they sought to implement a knowledge building approach. Data come from the class database, videotape recordings, and the teacher's narrative account of the year. There is particular emphasis on the teacher's…

Uses interviews and a written questionnaire to probe students' ideas on the origin of earth and life on earth. A significant number of commonly held misconceptions were prevalent in the sample (N=493). Provides guidelines to assist learners in challenging existing views. Contains 64 references. (DDR)

Explores both the qualitative and quantitative dimensions of pupils' ideas related to conservation during state changes of water. Analysis of questionnaire data indicates that qualitative understanding precedes quantitative. Contains 18 references. (DDR)

Describes a study that explores the instructional influence of presenting pictures at the molecular level when introducing chemistry concepts and solving chemistry problems. Explores the effect of the pictures on students' conceptions and problem-solving abilities. Contains 59 references. (DDR)

Suggests that students' preconceptions about hunger and eating are inconsistent with contemporary theories. These theories assert that among adequately nourished individuals, hunger occurs because of pleasurable expectations of eating rather than energy deficits. Maintains that instructors should discuss the incompatibility of these preconceptions…

Character education often uses exhortations and extrinsic inducements to make children behave and work harder. Extrinsic rewards and awards erode intrinsically motivated behavior. Programs should answer five basic questions, avoid indoctrination, and provide students with opportunities to construct meaning around moral concepts and to change…

Investigates changes in preservice teachers' conceptions about projectile motion brought about by a combination of reading and demonstration and appeal to usefulness. Results indicate the effectiveness of a combined Demo-Text condition on immediate posttests and effectiveness of text in producing long-term change. Analysis also indicates an…

Suggests administrators advocate against the juggernaut of business-minded, profit-driven, and commercial forces threatening to privatize public schools or make them public instruments of private greed. Notes that by cutting public funding for schools that serve the poorest children, corporate forces have turned many school officials into…