This paper is concerned with the kind of messages about science conveyed to 23 young gifted children enrolled at the McGill Summer School for Gifted and Talented Children in Montreal while utilizing a particular teaching model. Five science lessons were analyzed by applying a newly developed scheme to classroom interactions. The scheme helps to…

Analyzes three approaches (physical, mental, combined practice) to improving freshman chemistry psychomotor laboratory skills. Although no significant differences were found between treatments, there were significant differences when each was compared to the control sections. Mental practice appears to offer an efficient methods for reinforcement…

Computerized science simulations were employed by high school biology students in an attempt to enhance their problem-solving skills. The simulations were administered under unguided (discovery learning) and guided (guided discovery learning) conditions while a control group received no simulations. To ascertain the effectiveness of the…

Investigated secondary-level students' (N=66) understanding of three-dimensional structures in biology. Results suggest that student performance is highly correlated with age, scientific ability, and sex. Suggestions for instructional improvement in spatial relationships are offered. (ML)

Determined whether significant differences exist in cognitive achievement and in the level of acquisition of practical skills among ninth-grade students (N=1025) in cooperative, competitive, and individualistic learning conditions in science laboratories. Results are discussed in terms of their implications for more productive science laboratory…

Examined the effectiveness of cooperative, competitive, and individualistic interaction patterns in promoting acquisition of science process skills during biology laboratory activities. Results (from 720 secondary students--352 girls and 368 boys) show that competitive interaction was superior to cooperative and individualistic interaction…

This study compared the process skill achievement of students (N=107) completing traditional laboratory exercises with students (N=127) not only completing the same exercises but also receiving instruction in such integrated process skills as identifying variables and stating hypotheses. The relationships among process skill achievement, cognitive…

The ways in which students in grades five and six solve problems is the focus of this paper, which provides background for the staff of the Skills Essential to Learning Television Project, (a multi-level series of video and print resources for classroom use). It considers the problem-solving process categories of understanding, transformation, and…

Examined are the effects of testing on the achievement of students using self-instructional materials to learn science process skills. Results indicated that frequent quizzes did not differentially affect process skill acquisition. (Author/CW)

Defies the assumption that laboratory teaching skills are gained by preservice secondary science education majors through their undergraduate science programs, and presents expertise areas which every teacher should possess. Outlines activities for each skill which can become part of a methods course under the direction of science educators. (DH)

The first (exploratory) phase of the Learning in Science Project focused on science teaching/learning in the Form 1 to 4 level (ages 10 to 14) and sought to identify problems and difficulties in several areas. Provided in this paper are comments obtained during structured/unstructured interviews (from students, ex-students, teachers, headmasters,…

Microcomputer-based laboratories (MBL), the use of microcomputers for student-directed data acquisition and analysis, represents a promising new development in science laboratory instruction. This descriptive study determined the impact of MBLs on middle school students' understanding of graphs of distance and velocity. The study was based on the…

Explains the convergent and discriminant validity of two tests of science process skills with two tests of formal reasoning ability. Reports test results from elementary education majors and discusses the tests' intercorrelations. Implications related to instruction are analyzed. (ML)

Examines children's ability to formulate testable hypotheses, both from a theoretical viewpoint and from results of a British study of responses to an assessment instrument. Addresses implications for science education and difficulties in judging whether a child has demonstrated the skill. Concludes that evidence presented by teachers about…

Several empirical and theoretical analyses related to scientific problem-solving are reviewed, including: detailed studies of individuals at different levels of expertise, and computer models simulating some aspects of human information processing during problem solving. Analysis of these studies has revealed many facets about the nature of the…