Psychologists attempt to predict whether sexually violent predators (SVPs) will offend again using evaluation instruments such as the Psychopathy Checklist (PCL-R). According to several studies, the scores among the evaluators using these tools are subjective and can vary considerably. Often times the scores vary so much the results may be considered unreliable.
SVP risk tools show ‘disappointing’ reliability in real-world use from ForensicPsychologist.blogspot.ca.
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