Questions are discussed concerning the problem of evaluating an educational product for its potential marketing success. A strategy is proposed for identifying various levels of evaluation for a product, and for selecting the evaluation level that will be accepted as yielding sufficient evidence for the desirability of marketing the product. (MS)

Three instruments for evaluating elementary school music programs are designed for music teachers at the primary and intermediate levels and for the administrator. The purpose of the checklists is to identify weaknesses and strengths of the school program for teachers in the areas of rhythm, melody, harmony, form, expressive elements, creativity,…

An illustrated introductory primer is designed to familiarize educators with the concept of visual literacy and classroom practices which help teach it. Visual literacy is defined, its objectives are explained, and the use of pictures and cameras in literacy programs is explored. Tips for buying cameras for school programs are included. Some…

Architects and designers are in general agreement that one floor surface isn't better than another. The real key is how the facility will ultimately be used. (Author/MLF)

This article is the third in a series which discusses a mathematical methodology for evaluating interconnections of water supply systems. The model can be used to analyze the carrying capacity of proposed links or predict the impact of abandoning interconnections. (AS)

Compares operating characteristics and features of programmable hand held calculators. (SL)

Presents performance and purchasing information for audio-active and audio-passive headsets and for listening centers (junction box or wireless system), with charts of models, manufacturers, prices, and other specifications for the equipment. Includes advice on types of equipment for training use, mechanical factors, and safety considerations. (MF)

Examples show that operation and maintenance costs often mean that the cheaper model costs more per hour of use than a more expensive, but longer lasting, model. (MLF)

The author discusses considerations in selecting microcomputers and printers for keyboarding instruction. (CH)

Suggests ways to involve employers in the process of deciding what vocational program equipment to buy for the school: doing a survey (including designing the survey instrument and cover letter), working with vendors (developing a standard set of questions), and recommending a choice (preparing a written recommendation). (CT)

Surveys the choices available in new 16-bit microcomputers which run the MS-DOS operating system and which are IBM compatible. The 18 microcomputers reviewed are divided into the categories of compatibles offering additional features, low-cost compatibles, sleeker and faster compatibles, and coprocessor boards that yield compatibility. (MBR)

This article reviews the emission standards for stationary sources and hazardous air pollutants imposed by the Environmental Protection Agency since 1970. Judicial guidelines and court cases are analyzed to anticipate future regulations. Proposed amendments to the Clean Air Act are also discussed. (MR)

Contains guidelines for selecting an audio cassette recorder, one school district's report of cassette testing for high-speed duplication, data from a survey of users and technicians in several school districts, individual laboratory analyses of 15 machines and recommendations, and comparative descriptions of 74 cassette recorders (information…