%0 Journal Article %T Assessing the Performance of a Computer-Based Policy Model of HIV and AIDS %A Chara E. Rydzak %A Kara L. Cotich %A Paul E. Sax %A Heather E. Hsu %A Bingxia Wang %A Elena Losina %A Kenneth A. Freedberg %A Milton C. Weinstein %A Sue J. Goldie %J PLOS ONE %D 2012 %I Public Library of Science (PLoS) %R 10.1371/journal.pone.0012647 %X Model-based analyses, conducted within a decision analytic framework, provide a systematic way to combine information about the natural history of disease and effectiveness of clinical management strategies with demographic and epidemiological characteristics of the population. Among the challenges with disease-specific modeling include the need to identify influential assumptions and to assess the face validity and internal consistency of the model. %U http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0012647