Arthur, James D.Nance, Richard E.2013-06-192013-06-191988http://hdl.handle.net/10919/19414The definition of "methodology" is followed by a very brief review of past work in modeling methodologies. The dual role of a methodologies is explained: (1) conceptual guidance in the modeling task, and (2) definition of needs for environment designers. A model development based on the conical methodology serves for specific illustration of both roles.application/pdfenIn CopyrightThe Methodology Roles in the Realization of a Model Development EnvironmentTechnical reportTR-88-39http://eprints.cs.vt.edu/archive/00000124/01/TR-88-39.pdf