Research on serial sex offending has predominantly focused on the modus operandi, victim selection and criminal career of offenders. Studies on psychosocial characteristics of SSOs remains limited and research assessing comparative differences between serial sex offenders (SSOs) and non-serial sex offenders (NSSOs) is nearly non-existent. Using a sample of 553 male sex offenders, the current study investigates differences in characteristics between SSOs and NSSOs. Results from a series of logistic regression analyses indicate significant distinctions between SSOs and NSSOs. Specifically, their sexual development, adult sexual lifestyle, and psychopathologies. A profile of SSOs is proposed and implications for investigative purposes and future research are discussed.
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Thesis advisor: Beauregard, Eric
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