When anyone wants to investigate criminal sexuality from different perspectives such as legal, academic, or simply curiosity-motivated, the multiplicity and variety of the internal part of phenomenon becomes quite clear. Few dimensions of the behaviour inlying the sexual crimes have to be considered to perceive the disequilibrium and complexity of sexual assault (Hazelwood, 2000). Despite the fact that advances were made in recent decades to help understand, detect, and treat sexual offenders, sexual assault still remains a serious topic that still persists in society (Langton & Marshall, 2001). Also, the studies developing models of offences and offenders grouping depending on individual cases have grown over the past couple of years (Trojan & Salfati, 2008).
At this point of development of sex offender taxonomic models, two things are clear for now. First, sexual deviance compound of various types of behaviours and those who behave that way are highly heterogeneous. Then, there are natural categories that reduce heterogeneity and so taxonomic models for sexual assault can be judged meaningfully only if attention is paid to the aim of each model. The problem to define sexual deviance is one of the biggest diffusive problems in the literature that tries to classify it (Ward, Laws & Hudson, 2003).
Different classification systems exist, but only two models will be reviewed. In the essay the Behavioral Thematic evaluation of Canter and the Massachusetts Treatment Center: Rape classification system revision 3 (MTC:R3) will be compared and contrasted as two models of sexual assault. Both models assume that sexual assault is rape that an adult man inflicts upon an adult woman.
A lot of work has been done to create valid taxonomic system. Work that made the biggest influence in
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