Browsing by Author "Dabney, James B."

Now showing 1 - 2 of 2
  • Anticipating and Mitigating the Professional Challenge to Independent Verification and Validation
    Dabney, James B.; Arthur, James D. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1998-03-01)
    Independent Verification and Validation faces three classes of challenges: the Technical Challenge, the Management Challenge, and the Professional Challenge. In this paper we focus on the Professional Challenge, and, in particular, the four phases that characterize it: Denial, Anger, Cooperation and Dependence. We believe that to implement an effective IV&V effort, one must understand the relationship among the phases and the critical issues underlying them. For each of the phases we (a) provide a characteristic description, (b) discuss how they affect the IV&V effort, (c) present representative issues and examples, and (d) describe steps to reduce the adverse impact of the three detrimental phases. The examples provided are those we have encountered while serving in an IV&V capacity; "lessons learned" guide our suggestions for addressing phase-specific issues.
  • Verification and Validation: What Impact Should Project Size and Complexity Have on Attendant V&V Activities and Supporting Infrastructure?
    Arthur, James D.; Sargent, Robert G.; Dabney, James B.; Law, Averill M.; Morrison, John D. (Jack) (Department of Computer Science, Virginia Polytechnic Institute & State University, 1999-11-01)
    The size and complexity of Modeling and Simulation (M&S) application continue to grow at a significant rate. The focus of this panel is to examine the impact that such growth should have on attendant Verification and Validation (V&V) activities. Two prominent considerations guiding the panel discussion are: (1) Extending the current M&S development objectives to include quality characteristics like maintainability, reliability, and reusability -- the current modus operandi focuses primarily on correctness, and (2) Recognizing the necessity and benefits of tailoring V&V activities commensurate with the size of the project, i.e., one size does not fit all. In this paper we provide six questions and four sets of responses to those questions. These questions and responses are intended to foster additional thought and discussion on topics crucial to the synthesis of quality M&S applications.