Psychological Injury and Law
Long-Term Clinical Outcomes of Symptom Overreporting and Cognitive Underperformance in Adult ADHD Assessments
Abstract Invalid responding can bias clinical judgement, particularly in adult attention-deficit/hyperactivity disorder (ADHD), where rates of symptom overreporting and cognitive underperformance are elevated. Performance validity tests (PVTs) and symptom validity tests (SVTs) are commonly used to assess response credibility, yet their relevance for long-term clinical outcomes in ADHD remains unclear. The present study examined whether PVT and SVT scores obtained during diagnostic assessment are associated with lon …