... (patient, parent, physician) patient, parent (or primary caregiver), and physician perspective Accordingly, three different versions of the instrument were developed: a patient, a parent, and a physician ... analysis was to evaluate and validate the newly devised GIPD scale that measures the degree of ADHD-related difficulties perceived by patients, parents and physicians at various times of the day ... 3) Parents rated ADHD-related difficulties at baseline as significantly less severe than physicians, but the parent and physician total scores converged as early as week and the Cohen's kappa...