Truly successful decision making relies on a balance between deliberate and instinctive thinking.
Systems are developed to create value for stakeholders that include customers, end users/operators, system developers/integrators, and investors. Decisions are ubiquitous in the system life cycle beginning from systems definition to the systems concept development to design to delivery of products and services to retirement of the system (see Chapter 1). System decision-makers (DMs) are those individuals who need to make important decisions pertaining to system definition, concept, architecture, design, test, implementation, operation, maintenance, improvement, and disposal.
Enterprise decision-makers, program managers, and systems engineers stand to benefit from a collaborative decision-making process that engages all stakeholders (SHs) who have a say in system trade-off analysis (e.g., customers, operators/users, system architects and engineers, subject matter experts ...