Experiments are designed with application to phenomena of the real world for use in a third-quarter introductory college physics course in wave motion, sound, and light. The computer is used to process and analyze experimental data and to extend experimental observations through simulation. (Author/TS)

Results show that while performance is lower when test and study contexts differ, repetition produces substantial improvement in recognition irrespective of the test context; learning appears to be context free. (Author)

Three studies are reported which investigated the role of four variables in semantic generalization: Intentional versus Incidental learning instructions, associative and semantic relationships of the generalization stimuli (GSs) to the critical stimuli (CrSs), and rate of CrS presentation. (Author)

The objectives and methods of a free undergraduate laboratory are set forth. The main features are a close connection between the students and the research groups, a large amount of student freedom and responsibility, and no grading of the students. (Author/TS)

Discusses teaching ecology in high schools in terms of kinds of problems suitable for study and management of field and laboratory activities. (EB)