In this article, an argument for validation of design–decision methods is presented. In the process of justifying the need for validation, several criteria for a valid design–decision method are introduced. These criteria represent a starting point from which the research community can continue to debate and ponder the validation issue. Under these criteria, a critical empirical investigation o...

L.J. McCullagh1; A. Sofianou2; J. Kannry2; D.M. Mann3; T.G. McGinn1 1 Department of Medicine, Division of Internal Medicine, Hofstra North Shore-LIJ School of Medicine, Manhasset, NY; 2 Department of Medicine, Division of General Internal Medicine, Mount Sinai School of Medicine, NYC, NY; 3 Department of Medicine, Section of Preventive Medicine & Epidemiology, Boston University School of Medici...

The article is centred on software system development for manufacturing company that produces polyethylene bags using mostly conventional machines in a competitive world where each business enterprise desires to stand tall. This is meant to assist in gaining market shares, taking maintenance and production decisions by the dynamism and flexibilities embedded in the package as customers’ demand ...