In psychological terms, interventions describe actions or therapies undertaken to bring about positive change in behaviour, thoughts or feelings.  Once a difficulty, disorder or developmental issue has been recognised, a psychologist would recommend a proven ‘intervention’ – course of action or activity.  For example, for children with autism this might be a particular focus on…


Evidence-based refers to any information or practice that is based on a strong research foundation  that has been tested.  Psychologists often talk about ‘evidence-based’ practice which means using treatments, interventions or strategies that have been rigorously tested.