The authors investigated the comparative effect of the learning cycle and expository instruction on 8th-grade students' achievement in genetics. They adopted the nonequivalent control group design as a type of quasiexperimental design. The experimental group (N = 104) received learning cycle instruction, and the control group (N = 109) received…

Characteristics of successful and unsuccessful problem solvers in categorization tasks are examined in this study of undergraduate students. Findings are reviewed of the categorization and solution tasks undertaken by a group (N=21) of science majors at a private university. The subjects were classified as either successful or unsuccessful in…

Explains how to transfer a relevant written article into a learning activity involving active role play. Enables the development of critical thinking skills and helps to humanize science by highlighting its importance in everyday life. (DDR)

Abstracts and abstractors' critiques of eight science education research studies and two responses to critiques are presented in this journal issue. Each of the studies reviewed focused on a different research theme. Topics addressed include: (1) validation of a learning hierarchy for the mole concept; (2) transfer of learning with emphasis on…