The authors state that organizational development (OD) consultants are reluctant to rely upon instruments because this would diminish their sense of usefulness. They discuss 15 OD issues and conclude that OD instruments must be based on sound principles of behavior and sequenced in a planned way in order to implement organizational change and…

Discusses the reasons for growing disenchantment with the language laboratory and introduces a novel approach to advanced listening comprehension exercises based on recordings of professional entertainers. Analyzes the sketches as examples of authentic discourse, as illustrations of different speech registers and regional variants, and as vehicles…

Discusses the use of and recommends a new direction for laboratory work within the context of teaching human ecology for science and social science teachers and compares traditional and human ecological approaches to science laboratory work. (CS)

Describes an apparatus and procedure for conducting an undergraduate laboratory experiment to quantitatively study the Hall effect in a plasma. Includes background information on the Hall effect and rationale for conducting the experiment. (JN)

Describes an undergraduate experiment which measures the energy gap in silicon and germanium. Theory, procedure, and results of this experiment are included. (HM)

Discusses instructional innovations in science education, including interdisciplinary environmental studies programs, autotutorial open laboratory techniques, and programed research projects provided in investigative laboratory settings. Describes applications of these innovations at community colleges, as well as the increased use of modular,…

Describes and evaluates the fabrication of an easily constructed and inexpensive stop-flow system using commercially available components. (CS)

Five articles in this issue focus on safety education in agricultural laboratories. Topics discussed include teacher liability; elements of a safety instruction program; state and federal safety standards; ground fault current protection; and eye protection requirements and equipment. (SK)

Twenty-five audiotutorial lessons in laboratory animal medicine were evaluated by students enrolled in courses at six schools of veterinary medicine. Results indicate that the lessons are an effective learning resource, that prior knowledge did not significantly influence final test scores, and that subjective qualities did not affect learning.…

Presents excerpts from a book written by students in 1938 who attended University High School, a laboratory school at Ohio State University. Provides background information about the school, curriculum information, teacher evaluations and overall evaluations of the educational experience. Points up advantages and disadvantages of the experimental…

Presents a historical view of university laboratory schools. Discusses the changing functions of the schools since their nineteenth-century inception. Recalls that initially they provided teaching practice, while today observation, demonstration, and experimentation are paramount. Underscores the need to emphasize laboratory schools' value to…

Describes the function of the children's museum in the life of a community and in the experience of a visitor. Included are the emotional experiences of the museum personnel as they moved to change their facility. (SA)

Describes the analysis of geology teaching assistant reaction to a training program on teaching techniques utilizing videotaped teaching episodes. Reactions of the participants indicate that the use of videotaped teaching episodes in conjunction with group discussion is one way to improve their teaching practices. (Author/SA)

Listed are field stations in the Caribbean and Florida-Bahamas which are suitable for classes in field geology and tropical marine science. Each field station is described by listing the name of the institution, description of accommodations, library facilities, laboratory facilities, boats, classrooms, motor vehicles, study areas, scuba, and…

Describes the establishment and operation of adult Individual Learning Centres in New South Wales (Australia) colleges to provide a flexible alternative to existing college preparatory courses. The Centres include alternative instructional methods, individual study, self-instructional materials, open entry/exit arrangements, and teacher tutoring.…