Catrin Morrissey

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BACKGROUND Despite an increasing knowledge base concerning the assessment of emotional and behavioural problems in people with intellectual disabilities (ID), relatively little research has examined such problems in offenders with ID. METHODS The study assessed 172 male offenders with ID in three service settings (high, medium-low security and community)(More)
BACKGROUND Among mainstream offenders, the severe personality disorder of psychopathy has considerable importance as a construct. The disorder has long been associated with failure to make treatment progress. Previous work has identified that psychopathy as a disorder occurs in samples of offenders with intellectual disability (ID), and suggests that the(More)
BACKGROUND The HCR-20 is a widely used 20 item structured professional judgement aid to risk assessment and management, but longitudinal studies of its value are rare, particularly with people at high risk of reoffending. AIMS To investigate whether the HCR-20 discriminates between patient subgroups in one high-security hospital in England, whether scores(More)
BACKGROUND Little research has been conducted investigating the way in which personality constructs relate to people with intellectual disabilities. The small amount of research that does exist suggests that underlying personality structure may be considerably different to that found in mainstream research. This hypothesis is, however, untested because so(More)
The Psychopathy Checklist-Revised (PCL-R) is the most widely used measure of psychopathy in forensic clinical practice, but the generalizability of the measure to offenders with intellectual disabilities (ID) has not been clearly established. This study examined the structural equivalence and scalar equivalence of the PCL-R in a sample of 185 male offenders(More)
BACKGROUND There is limited empirical information on service-level outcome domains and indicators for the large number of people with intellectual disabilities being treated in forensic psychiatric hospitals. AIMS This study identified and developed the domains that should be used to measure treatment outcomes for this population. METHOD A systematic(More)
INTRODUCTION Research investigating the treatment outcomes of forensic intellectual and developmental disability (FIDD) services has largely focused on the perspectives of clinicians and researchers. This study sought the perspectives of patients and family/carers on the outcomes important to them. METHODS Semi-structured consultation groups were(More)
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