The purpose of this study is to elaborate the issue of exemplary teaching in chemistry in the context of a centralized educational system, in which chemistry curriculum development and implementation are also centrally controlled. Students' perceptions of the learning environment were also investigated. (KR)

Examined were sex differences and the role of socioeconomic status in science achievement in Western Australian coeducational and single-sex schools. The influence of independent schools, both single-sex and coeducational, was found to be a factor that improved student science achievement for both boys and girls. (CW)

Presented is an analysis of 40 research studies which compared the achievement in science and the attitudes of Israeli male and female students toward science and science learning. Grades covered include 5-12. A list of 55 references is included. (CW)

Investigated are the context dependency and construct validity of practical skill assessment in science which may include the skills of observing, manipulating, planning, interpreting, reporting, and self-reliance. Pupil performance on a variety of practical tasks were compared with external examination grades in biology and chemistry. (CW)

Described is the design and evaluation of a learning unit which includes the basics of computerized feedback control. Included are sample topics, descriptions of the achievement measures, and conclusions of the study. (CW)

Examined were the drawings of scientists made by Irish junior high school students under different conditions of instructions. Drawing evaluations were compared to the scores of these same pupils on the "Women in Science Scale." (CW)

Presented is a criticism of the instructions given for and the scoring of the Draw-a-Scientist test (Chambers, 1983). A response to this criticism by authors who employ this method is included. (CW)

Investigated were the attitudes of two groups of students in their first year of secondary education at four metropolitan senior high schools in Western Australia. Results indicated that there was little attitude difference between the group which had experienced the new curriculum and those who had not. (CW)

Develops an 18-category Explanation Appraisal Schedule (EAS) for the analysis of teaching effectiveness in the expository mode. Describes the validation procedures with the worksheet of the EAS. Reports that the EAS provides a discriminating instrument for use in analyzing teaching effectiveness. (Author/YP)

Investigates the performance, gender differences, interrelationships among five tasks, relationship with paper and pencil tests, relationships with background variables, and contribution of schools from the Israel data of the Second International Science Study (SISS). Compares the Israeli results with those of Japan. (YP)

Five independent attitudes related to craft, design, and technology (CDT) are isolated by factor analysis. Rated liking for CDT, the intention to study continually, contemplation of a career based on it, verbal intelligence, mathematical ability, and technical skills of the family are also measured. Some sex differences are considered. (Author/YP)

Describes the development of an "attitude to industry" scale assessing the attitudes of students undertaking "A" level science studies with varying amounts of industrial material in their syllabuses. Provides the interview schedule, factor loadings, reliability coefficients for three sub-scales, and statements of final scale.…

Investigates the effect of the exposure of a great scientist's life story represented in a manner either suggestive or not suggestive of the stereotype, and of sex difference on the image of scientist possessed by fifth graders. Reports two main effects and interaction effect from two-way analysis of variance. (YP)

Investigates 53 11-year-old children's understanding of the concepts of force and energy using a modified interview-about-instances technique. Identifies three frameworks which appeared to guide the pupil's thinking, only one of which was consistent with the accepted scientific definitions. Reports sex differences related to the frameworks.…

Defines the Cognitive Difficulty Level (CDL) as number of schemes required for solution (NS) times the required learner's resources (Problem Solving Taxonomy [PST] level). Describes the validation procedures of the CDL index in high-school level electronics. (Author/YP)