Diagnostic Criteria: The diagnostic criteria are a set of specific symptoms and behaviors that clinicians use to determine if an individual meets the requirements for a particular disorder.
Screening Tools: Screening tools are brief assessments or questionnaires that help identify individuals who may be at risk for a certain disorder. They serve as an initial step in the diagnosis approach.
Differential Diagnosis: Differential diagnosis involves distinguishing between two or more disorders that share similar symptoms. It helps clinicians determine which specific condition best explains an individual's symptoms.