Developmental risk factors for sexual offending.

Objective: The aim of the study was to identify the general, common, and specific developmental risk factors for pedophilia, exhibitionism, rape, and multiple paraphilia, and to address five methodological issues observed in this area of research.

Method: This study involved 64 sex offenders and 33 nonsex, nondrug-related, and nonviolent property offenders. The group of 64 sex offenders was further divided into eight subgroups, some of which overlapped in memberships because of multiple diagnoses.