Results of a study aimed at determining whether it is possible to train students to become better listeners relative to a given set of skills, and whether there were socioeconomic or sex differences in the acquisition of these skills. (Author/AN)

Author describes an experiment to inter-weave three disciplines-history, sociology, and philosophy-in an extra-mural course on violence and revolution. (Editor/LF)

Describes a method for direct calculation of energy levels by using elementary techniques. Describes the limitations of the approach but also claims that with a minimum amount of labor a student can get greater understanding of atomic physics problems. (PS)

Describes the concept of education vouchers, discusses opposition to vouchers, and outlines the minimal requirements of a regulated voucher plan'' currently proposed by the Office of Economic Opportunity and the Center for the Study of Public Policy. (JH)

Presented is a annotated bibliography of science projects from the elementary through the professional level. (SJ)

Student pacing or control of the stimulus presentation rate is an essential skill acquisition procedure. (Author)

It is proposed that the sight of people being injured aggressively is a reinforcement for observers who are anger or who have been frequently rewarded for aggression. The catharsis hypothesis blinds us to the principle that aggression may lead to more aggression. (Author)

Suggests a first-order experiment that can be used to establish the Lorentz transformation without considering the constancy of light velocity or the full set of Maxwell's equations. Involves the use of a long solenoid to create an electric field in a moving magnetic field. (LC)