Under the clinical supervision of a qualified psychologist, undertakes assessments of factors relevant to the development, maintenance and understanding of the clients difficulties, using standardised psychometric instruments, protocol-based assessment tools, self-report measures, rating scales, direct and indirect structured observations and structured and semi-structured interviews as required. Utilises assessment techniques directly with clients and collects information from family members and others involved in the clients care as appropriate. Assists qualified psychologists in the scoring, analysis, interpretation and reporting of psychological assessments undertaken with clients and others. Under the clinical supervision of a qualified professional psychologist, assists in the formulation of the clients difficulties and in the planning and delivery of care plans involving the psychological treatment and/or management of the clients problems in school and community. Under the clinical supervision of a qualified clinical psychologist, delivers therapeutic interventions developed or guided by the qualified psychologist or otherwise defined by protocol, for individual clients and for families, including, for example, planned programmes or other appropriate psychological interventions.