Ralph has been sad and listless for three years. He cannot sleep and has lost his appetite. Using a diagnostic system, one clinician arrives at a diagnosis of depression. Using the exact same diagnostic system, another clinician arrives at a diagnosis of schizophrenia. What is the problem with this system?

Question

Quizplus · Accepted Answer

The problem with the diagnostic system is that it lacks reliability, which means it does not produce consistent results across different clinicians using the same system to evaluate the same symptoms.

Ralph Has Been Sad and Listless for Three Years