The World Health Organisation developed the Adult ADHD Self-Report Scale (ASRS) as a means of assessing symptoms of ADHD in adults. The full version of the scale contains 18 items, but the short screener version contains 6 items and has been shown to outperform the original 18-item scale . The 6-point scale involves respondents assessing the frequency of ADHD symptoms over the past six months, on a 5-item scale ranging from ‘never’ to ‘very often’. The 6-item screener has been validated for use in AOD populations , demonstrating that it is an appropriately sensitive tool for screening for the presence of ADHD in this population group. The ASRS is included in Appendix Q.