A reinforcement schedule and spatial titration method were used to determine task-reinforcement area separation most preferred and effective in two third-grade boys. Errors in task performance decreased task-reinforcement area separation, while correct responses in task performance increased task-reinforcement area separation. (Author)

Describes several chemistry projects, including solubility, formula for magnesium oxide, dissociation of dinitrogen tetroxide, use of 1-chloro-2, 4-dinitrobenzene, migration of ions, heats of neutralizations, use of pocket calculators, sonic cleaning, oxidation states of manganese, and cell potentials. Includes an extract from Chemical Age on…

An attempt to impose Western values on Japan through the education system after World War II had no lasting success after the withdrawal of western occupation troops. (JD)

Describes an undergraduate experiment in which the structure of bis(2-ethylhexyl)phthalate (I) is analyzed and interpreted using Carbon-13 magnetic resonance. (MLH)

Described are science experiments which utilize methylene blue to demonstrate the effects of pH, temperature inhibitors, and concentration on enzyme reactions in yeast enzyme systems. (SL)

Describes an electronic digital counter, a speed-of-light experiment using a television, a simple out-of-circuit method for determining if a transistor is made of silicon or germanium, and the use of dry cells to power TTL integrated circuits. (MLH)

The paper describes efforts to support the development of reflective practice at a basic school in Brno, the Czech Republic. The aims, structure, content and methods are mentioned, as well as some preliminary results. Also, the authors suggest a few preconditions of the success of possible future actions. The specific case is seen from the…

Brazilian engineering schools are under a strict program to reengineer their courses with the financial support of the federal agencies. At the electronic engineering department at the University of Sao Paulo, this process started by modifying the Basic Electricity and Electronic Laboratories. This paper describes the new structure of these labs…

Discusses a laboratory course with computer-assisted instruction which emphasizes uses of simulated data, students' improvement of experiments, and presentation of a tutorial self-test mode. Indicates that students' enthusiasm is mostly due to computer's potential for in-depth interactivity and conformity to real-life situations. (CC)

Discusses experience of conducting a project designed to interest and train women in physics, involving student recruitment, course design, laboratory work planning, and counseling services. Included are surveyed faculty and graduate student comments and participants' attitudes toward the project. (CC)