This study aims to assess the mediating effect of childhood trauma and dissociative experiences on the relationship between self-reported ADHD symptoms during childhood and adulthood in two separate cross-sectional studies. In Study 1, undergraduate students completed an online survey including a sociodemographic form, the Adult ADHD Self-Report Scale (ASRS), the Wender Utah Rating Scale (WURS), the Childhood Trauma Questionnaire (CTQ), and the Dissociative Experiences Scale (DES). Data from…