Explores children's understandings of insect life cycles through pre- and postinstructional interviews, analysis of children's journal entries, and talk that occurred throughout the instructional unit. Contains 38 references. (DDR)

Reports on a study that used high school students to test the assumptions of the multiple hypothesis theory posited by Lawson to explain the essence of scientific reasoning. Contains 19 references. (DDR)

Investigates the effects of a constructivist versus objectivist learning environment on college students' conceptual change using a computer simulation of the human cardiovascular system as an instructional tool. Contains 33 references. (DDR)

Argues that it is easier to transform schools and the process of schooling when social, cultural, political, and economic issues frame the discourse about how to ensure that all students have access to an equitable education. (DDR)

Presents three studies that demonstrate the efficiency of the kinesthetic conflict in promoting the understanding of three scientific concepts among children aged 5-12. Results support Piaget's theory which determines the origins of scientific thinking. Contains 26 references. (DDR)

Describes a study designed to provide insight into the strengths and limitations of using groupwork to promote excellence and equity in science education. Argues that students need more guidance in how to talk and do science. Contains 40 references. (DDR)