One reason why there is so little epidemiologic data for personality disorders is that they cannot be reliably diagnosed after only one session or interview.

Question

Quizplus · Accepted Answer

Personality disorders are complex and require a thorough evaluation process, including a review of medical history, observation of behavior over time, and multiple interviews with a mental health professional. A single session or interview is not sufficient to make a reliable diagnosis, which is why there is limited epidemiologic data available for these disorders.

One Reason Why There Is So Little Epidemiologic Data for Personality