Screening with young offenders with an intellectual disability

The research suggests that young offenders with an intellectual disability (ID) may not always be identified within youth justice services. This pilot study assessed some aspects of the validity of a screening tool, the Child and Adolescent Intellectual Disability Screening Questionnaire (CAIDS-Q), in UK forensic settings, using data from 23 individuals. The CAIDS-Q had positive and negative predictive power of 100%. In addition, a significant difference was found in CAIDS-Q scores between those with and without an ID, with the latter group scoring significantly higher, indicating discriminative validity. A significant positive relationship was found between full-scale IQ and CAIDS-Q scores, indicating convergent validity. The pilot study suggested that the CAIDS-Q may represent a valid screening tool to identify those young offenders who are likely to have an ID. Limitations and implications of the pilot are discussed.