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Calibration performance indicators for the Static-99R: 2013 update

DeClue, G., & Campbell, T. W. 
Open Access Journal of Forensic Psychology, 5, 82-88.


Providing comprehensive statistical descriptions of tool performance can help give researchers, clinicians, and policymakers a clearer picture of whether structured assessment instruments may be useful in practice (Singh, 2013).  We report positive predictive value (PPV), negative predictive value (NPV), number needed to detain (NND), and number safely discharged (NSD), along with associated confidence inter­vals (CIs), for each value of the Static-99R, for one data set.  Values reported herein apply to detected sexual recidivism during a 5-year fixed follow-up for the samples that the Static-99R developers consider to be roughly representative of all adjudicated sex offenders (Phenix, Helmus, & Hanson, July 26, 2012).




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