An Examination of the Performance of QbMobile in Differential Diagnosis Associated With ADHD Symptoms

Inclusion Criteria: * Provide written informed consent (including parent/legal guardians consent when this is required for individuals under 18 years old and assent as is required based on the age of participant) for QbMobile; * Aged \> 6 years and \< 60 years old; * Referred for an initial assessment for ASD, MDD, Bipolar Disorder or Anxiety Disorder (Separation Anxiety Disorder, Social Anxiety Disorder, Generalized Anxiety Disorder (GAD)) or has a prior diagnosis of one of the included disorders but is not currently receiving treatment; * Meets DSM-5 or ICD-11 criteria for a primary diagnosis of ASD, MDD, Bipolar Disorder or Anxiety Disorder per sites standard clinical procedures; * Have adequate sensory and physical ability to complete QbMobile; * Possess or have access to an iPhone model that supports QbMobile. Exclusion Criteria: * Intellectual disability designated by IQ\<70; * Has a DSM-5 or ICD-11 diagnosis of schizophrenia, schizoaffective disorder, schizophreniform disorder, brief psychotic disorder, psychotic disorder due to another medical condition, PTSD, antisocial personality disorder, or borderline personality disorder; * Has a primary diagnosis of ADHD (combined, inattentive, or hyperactivity/impulsive presentation); * Has a concurrent medical diagnosis that could significantly affect test performance such as brain injuries, Parkinson's disease, current epilepsy or active seizures, amyotrophic lateral sclerosis (ALS), multiple sclerosis, dementias (e.g. va…