This paper advocates the use of interpretive structural models to identify and represent value decisions in educational system design, based on a consistent set of values from the educational philosophy of Ralph Barton Perry. Figures & tables in the manuscript are: Figure 1. IMPLICATION MODEL FOR ENVIRONMENTAL EDUCATION Figure 2. INTEGRATING MODEL Figure 3. VALUE MODEL Figure 4. DECISION AREA MODEL Figure 5. DECISION LEVEL MODEL Table 1. TYPES OF SOCIAL CONTRACT DECISION Table 2. TYPE OF LEARNING SYSTEM DESIGN DECISION Table 3. TYPES OF CURRICULUM DECISION VALUE DESIGN DECISIONS Table 4. TYPES OF OPERATING DECISIONS The paper was presented by the author on Wednesday 8 October 1980 at 1:30 pm. While attending this conference, Warfield also conducted a 3-day evening-session workshop on Interpretive Structural Modeling. There is a file folder containing rough notes on this workshop, titled: "Boston Course" ? Prior to its presentation at the IEEE Boston conference this paper was published as Appendix 3 in Designs for the Future of Environmental Education, Vol. 1, which was part of a final report on Contract #300-700-4028, submitted to U.S. Office Environmental Education in July 1980. As the appendix 3 in that government report, this paper is available on microfiche from ERIC: ACCESSION NUMBER: ED196713. CLEARINGHOUSE NO.: SE033694. world catalog accession number: 7451984 This material was shipped to Fenwick Library Special Collections, George Mason University, Fairfax, VA on 23 October 2000.