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Validating the components of a taxonomic system for rapists: a path analytic approach
R Rosenberg1, R A Knight, R A Prentky
1Massachusetts Treatment Center, Bridgewater 02324.
The Bulletin of the American Academy of Psychiatry and the Law
|January 1, 1988
Summary
This study validated the MTC:R2 rapist classification system, finding its dimensions useful but highlighting gaps in understanding developmental precursors for subtypes.
Area of Science:
- Forensic Psychology
- Criminology
- Developmental Psychology
Background:
- A classification system for rapists, MTC:R2, was developed at the Massachusetts Treatment Center.
- The system categorizes offenders based on aggression meaning, sexual behavior meaning, and impulsivity.
Purpose of the Study:
- To validate the MTC:R2 classification system for rapists.
- To examine the relationship between developmental histories and offender subtypes.
Main Methods:
- A total of 201 rapists were classified using the MTC:R2 system.
- Path analysis was employed to link family, juvenile, and adult histories to subtype assignment.
- A developmental perspective informed the classification on three key dimensions.
Main Results:
- The study provided support for the discriminators used in the MTC:R2 system.
- Significant deficiencies in current knowledge regarding developmental precursors for rape subtypes were identified.
- Results were integrated with other MTC:R2 studies to suggest system revisions.
Conclusions:
- The MTC:R2 classification system demonstrates utility in subtyping offenders.
- Further research is needed to elucidate the developmental pathways leading to different rapist subtypes.
- Revisions to the MTC:R2 system are proposed based on integrated findings.