Which of the Cluster C personality disorders has been studied the most?

Question

Quizplus · Accepted Answer

Research suggests that avoidant personality disorder has been studied the most among the Cluster C personality disorders. This may be due to the fact that individuals with avoidant personality disorder may be more likely to seek treatment than those with other Cluster C disorders. Additionally, avoidant personality disorder is often comorbid with other mental health conditions, which may also contribute to the amount of research conducted on this disorder.

Which of the Cluster C Personality Disorders Has Been Studied