significant risk reduction (with documentable improvements to public health).W1-F.2 Scriven J, Linkov I; igor.linkov@usace.army.milUS Army TRADOC, Engineer Research and Development CenterBEST PRACTICES FOR RISK AND TRADE SPACE ANALYSIS FOR AC-QUISITION MANAGEMENT: OVERVIEW OF THE MILITARY OPER-ATIONS RESEARCH SOCIETY WORKSHOPIn September 2011, the Military Operations Research <strong>Society</strong> held a Workingsession on <strong>Risk</strong>, Trade Space and Analytics <strong>for</strong> Acquisition. During this session,the Department of Defense, individual military services, industry representatives anduniversity representatives from across the country joined in professional dialogue onthe topics. These professionals were able to share and compare their terminology,methods and application of risk and decision analysis as it applies to materiel acquisitionprocess. They identified appropriate analysis categories, priorities, and metrics tobe used by the decision makers. They explained best practices on how to use thesemetrics throughout the decision architecture. They identified shortfalls in the applicationof these processes and metrics throughout DoD. They provided recommendationson the way ahead <strong>for</strong> development and execution of decision processes alongthe acquisition life cycle. This presentation will be the results of the MORS SpecialSession which is a synthesized version of two specific focus areas. One on <strong>Risk</strong> <strong>Analysis</strong>and one on Trade Space <strong>Analysis</strong>. Each directly related to the acquisition process.W1-A.3 Sellnow TL, Veil SR, Wickline M, Roberts H; Tim.Sellnow@uky.eduUniversity of KentuckyTHE INSTRUCTIONAL DYNAMIC IN RISK MESSAGES: A COMPARA-TIVE ANALYSIS OF MESSAGES INTENDED TO ENHANCE PERCEP-TIONS OF SELF-PROTECTIONOur paper is based on a two-step analysis. First, we collected all stories broadcaston national television related to a serious food recall. We then coded the messages<strong>for</strong> the degree to which they provided adequate instruction (based on recommendationsfrom subject matter experts) <strong>for</strong> how to identify and avoid consuming the harmfulproduct. Next, we created an experimental design that allowed us to measure perceptionsof participants’ perceived capacity <strong>for</strong> avoiding the contaminated product.Participants in condition one were shown a typical story with little instructional in<strong>for</strong>mation.Participants in condition two were shown a story that included more detailedinstructions <strong>for</strong> self-protection. The experiment confirmed that the stories includingclear instructional messages increased the subjects’ perceived ability to protect themselves.The messages without instructional content did not. The clear majority of thestories we collected and coded did not include detailed instructional in<strong>for</strong>mation.170M4-H.2 Sentz K, Powell D, Ambrosiano J, Graves T; ksentz@lanl.govLos Alamos National Laboratory(LANL)MODELING AND RISK ASSESSMENT OF TERRORIST-COUNTER-TERRORIST INTERACTIONS WITH MULTI-AGENT INFLUENCEDIAGRAMSThe unique sophistication of an intelligent adaptive agent in terrorist risk assessmentrequires a novel methodology to model adversarial decision-making in responseto offensive, defensive, and mitigative measures. The Multi-Agent Influence Diagram(MAID) [Koller, Milch (2003)] furnishes a promising approach by synthesizing multiagentmodeling, game theory, and probabilistic decision networks. We augment theMAID with an architecture that incorporates agent beliefs, values, and goals into themodel structure. The multi-agent scenario and their respective strategies are intuitivelyrepresented by a decision graph where the agents’ strategies and expected utilitiescan be evaluated from the perspective of a game in terms of the Nash equilibriumor quantal response equilibrium. In this presentation, we discuss the value of modelingthe terrorist-counterterrorist problem using the MAID approach, the natural riskmetrics that the methodology af<strong>for</strong>ds, and the future extensions of this work.P.75 Seokchang Jung, Seoyong Kim, Jaesun Wang; seoyongkim@ajou.ac.krKorea UniversityTHE EMPIRICAL TEST OF SEVERAL VULNERABILITY HYPOTHE-SES IN TERMS OF RISK PERCEPTION AND EXPERIENCEOur study aims to empirically test the ‘Vulnerability Hypothesis’. Vulnerabilityis usually defined as a degree of hazard from biophysical risks as well as social risk.Vulnerability may be an internal risk factors of the subject or system that is exposedto a hazard and corresponds to its intrinsic predisposition to the affected or to besusceptible to damage. We elaborate this hypothesis both by building the more comprehensivetheoretical model and by testing it through empirical analyze of the surveydata. In data analysis, we will do, first, systemically analyze the hypothesis whetherthe vulnerable groups really have the higher risk perception than other competentgroups do. Second, we will analyze whether or not those vulnerable groups really facerisky experience more than the strong groups do. Third, we examine the relationshipsbetween risk experience and the risk judgment.W4-E.3 Serratosa JS, Ribo OR; jordi.serratosa@fda.hhs.govEuropean Food Safety AuthorityRISK ASSESSMENT ON ANIMAL WELFARE PERFORMED AT THEEUROPEAN FOOD SAFETY AUTHORITY IN THE EUEFSA is the keystone of the EU risk assessment regarding food and feed safety,including animal health and animal welfare. EFSA provides independent scientificadvice and communication on existing and emerging risks. Since EFSA’s scientificadvice serves to in<strong>for</strong>m risk managers, a large part of EFSA’s work is undertaken in
esponse to requests from the EC, the European Parliament (EP) and EU MemberStates (MS). EFSA also undertakes scientific work on its own initiative, so-called selftasking.Current EU legislation on animal welfare covers calves, pigs, laying hensand broilers as well as experimental animals. Decisions on welfare requirements mustbe based on a sound science and appropriate risk assessment.. Since 2003, EFSA hasprovided scientific opinions and advice as well as technical support to risk managersin the area of animal welfare. The EFSA Animal Health and Welfare Panel has delivered36 scientific opinions on a variety of welfare issues. Although EFSA does notmake scientific research, it has played an important role on assessing the risk on animalwelfare and has provided important reviews of the current scientific knowledgeon animal welfare. The concept of animal welfare is not only related to the protectionand well-being of the animals but also to its relationship with animal and publichealth. Animal welfare indicators <strong>for</strong> the control and monitoring of animal welfareshould allow ranking of the welfare standards applied (from minimum to higher standards)in order to assist the development of improved animal welfare production andhusbandry methods and to facilitate their application at EU and international levels.EFSA scientific opinions have been and are used <strong>for</strong> international standard purposesconsidering the general reluctance to accept and en<strong>for</strong>ce standards not supported byscience. The paper summarises the used <strong>Risk</strong> assessment methodologies by EFSAfuture possible trends.W1-G.3 Severtson DJ; djsevert@wisc.eduUW-MadisonDO MAPS PROMOTE WATER TESTING AMONG RESIDENTS WITHPRIVATE WELLS? THE INFLUENCE OF MAP FEATURES AND PER-CEIVED PROXIMITY TO MAPPED HAZARDS ON RISK BELIEFS, UN-CERTAINTY, AND TESTING INTENTIONS.The purpose of this study was to assess the influence of three map featuresand perceived proximity to mapped hazards on risk beliefs, perceived uncertaintyand protective behavior. Maps depicted private well water test results <strong>for</strong> arsenic. Featureswere map color (symbolic “stoplight” risk colors or non-risk colors), a hatchingsymbol to display map areas with no data (with or without hatching), and a table tosupplement map in<strong>for</strong>mation (with or without table). This full factorial 2 x 2 x 2randomized trial resulted in 8 map interventions plus a 9th table only control. Thesample was homeowners with private wells from a county with some arsenic watertest results over the drinking water standard. Participants were spatially and randomlyselected from 8 townships that had different spatial distributions and amounts ofarsenic and no data. Of 1224 mailed surveys, 830 (67.8%) were returned. Structuralequation modeling will be used to examine the influence of map variables on behavioralintentions to test water <strong>for</strong> arsenic and how risk beliefs and uncertainty mediatethose relationships. These influences will be examined within a context of participants’characteristics that include prior risk beliefs, satisfaction with water aesthetics,skepticism about well water-related health risks, numeracy, gender, years in home,age, and education. Data collection is completed. Study results will be shared in thispresentation.P.78 Severtson DJ, Myers J; djsevert@wisc.eduUW-MadisonMAPPING MODELED HEALTH RISK FOR ENVIRONMENTAL HAZ-ARDS: THE INFLUENCE OF THREE MAP FEATURES ON RISK BE-LIEFS AND PERCEIVED UNCERTAINTY FOR MAPS OF MODELEDCANCER RISK FROM AIR POLLUTIONOften, models are used to estimate health risks from environmental hazardsand maps are used to display this in<strong>for</strong>mation. The concrete nature of images, suchas maps, may convey more certainty than warranted <strong>for</strong> in<strong>for</strong>mation estimated frommodels. Furthermore, maps using conventional stoplight colors to symbolize thesafety of these estimates may generate stronger risk beliefs than warranted <strong>for</strong> modeledin<strong>for</strong>mation. In Wisconsin, natural resources and public health professionals developeda model to estimate cancer risk based on estimated air emissions and wantto display this in<strong>for</strong>mation using maps. We selected two map features to convey thecertainty of modeled cancer risk (less vs. more certain): data classing (unclassed vs.classed) and how risk is expressed in the legend (relative risk vs. defined risk). Color(non-risk vs. stoplight risk colors) was a third feature. The purpose of this study wasto assess how these features influenced risk beliefs and uncertainty about risk beliefsat four map locations that varied by risk level. This full factorial 2 x 2 x 2 x 4 randomizedtrial used 32 maps that varied by study features and 4 risk levels. Maps werearranged into 8 blocks of 4 maps. Dependent variables included risk beliefs and perceiveduncertainty at personal and neighborhood levels. 776 university students, randomlyassigned to one block of four maps, participated in this online survey <strong>for</strong> extracredit. Structural equation modeling is used to assess the influence of map features onrisk beliefs and perceived uncertainty in the presence of participants’ characteristics(prior beliefs about air pollution, family cancer experience, academic major, numeracy,and gender). Data analysis is in progress. Results and implications will be included inthis poster presentation.W3-H.4 Shan X, Zhuang J; xshan@buffalo.eduUniversity at Buffalo, The State University of New YorkCOST OF EQUITY IN DEFENSIVE RESOURCE ALLOCATIONS INTHE FACE OF A POSSIBLY NON-STRATEGIC ATTACKERHundreds of billions of dollars have been spent in homeland security sinceSeptember 11, 2001. Many models have been developed to study games betweengovernments (defender) and terrorists (attacker), however, few studies consider thetradeoff between equity and efficiency in homeland security resource allocation. In171
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