THE STUDY PRESENTED IN THIS REPORT WAS COMMISSIONED BY THE TECHNOLOGICAL DEVELOPMENT PROJECT OF THE NATIONAL EDUCATION ASSOCIATION. INCLUDED IN THE STUDY ARE TWO PAPERS CONCERNED WITH THE PROBLEM OF DESIGNING INSTRUCTIONAL EQUIPMENT. THE TWO AUTHORS (FROM EQUIPMENT MANUFACTURING FIRMS) WERE ASKED INDEPENDENTLY TO WRITE UPON THESE QUESTIONS--(1) HOW HAS INSTRUCTIONAL EQUIPMENT BEEN DESIGNED IN THE PAST, AND (2) HOW SHOULD IT BE DESIGNED IN THE FUTURE. EACH AUTHOR TREATED THE PROBLEM DIFFERENTLY. HUMBOLT W. LEVERENZ DEALT PRIMARILY WITH DESIGN ITSELF, WHILE MALCOLM G. TOWNSLEY DISCUSSED PROBLEMS ASSOCIATED WITH ECONOMICS AND ORGANIZATION OF THE DESIGN PROCESS. A BIBLIOGRAPHY IS INCLUDED WHICH IS RELATED TO PSYCHOLOGICAL PRINCIPLES INVOLVED IN THE DESIGN OF TRAINING EQUIPMENT. (JC)