Traditionally a psychotherapeutic intervention, Rational Emotive Behavior Therapy (REBT) is receiving increasing attention within the extant literature as an intervention to enhance the athletic performance and psychological wellbeing of competitive athletes. Whilst the benefits of REBT on psychological health are established, less is understood about the effects on athletic performance. The present study aimed to examine the immediate and maintained effects of REBT on physiological, psychological, and performance outcomes with elite Paralympic athletes. Using a single-case research design, eight athletes recruited from the same Paralympic sport (M = 40.12, SD = 12.99) received five, one-to-one REBT sessions. Measures of irrational beliefs ...