Behavioral consistency, the homology assumption and the problems of induction
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The ultimate goal of profiling is to identify the major behavioral and personality characteristics to narrow the suspect pool. Inferences about offender characteristics can be accomplished deductively, based on the analysis of discrete offender behaviors established within a particular case. They can also be accomplished inductively, involving prediction based on abstract offender averages from group data (these methods were detailed extensively in Chapter 2; see also Petherick & Turvey, 2008a). As discussed, these two approaches are by no means equal.
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