Measuring grievance thinking in sexual offenders: The revised Dissipation–Rumination Scale

Abstract

Rumination is an important part of “grievance thinking”, which has been linked to recidivism in sexual offenders. Grievance thinking is a dynamic risk factor that can be targeted in treatment, and is characterized by a perception of being wronged accompanied by angry, hostile rumination about revenge, and has similarities to the “dangerous world” implicit theory . A revised version of the Dissipation–Rumination Scale is used currently to measure grievance thinking in sexual offenders incarcerated in England and Wales. The study aimed to establish whether this revised measure is valid to use with this population. The scale demonstrated adequate reliability and good convergent validity. However, analyses revealed problems with both construct and predictive validity. Further, it is suggested that the scale may not be sufficient to measure the whole of the “grievance thinking” concept. The results do not provide overwhelming support for the use of this tool with sexual offenders; further research is required before firm conclusions can be drawn regarding the scale's utility. Directions for future research are discussed.

Keywords:

• Sexual offender
• rumination
• psychometric validation
• grievance thinking

Notes

^*Items reverse score.