The Problem With Those 9 Personality Types

The video discusses the Enneagram personality system, highlighting its nine types and the lack of scientific support for its validity. It explains the system's popularity through psychological phenomena like the Barnum effect and subjective validation. The video suggests the Big Five personality traits as a more scientifically backed alternative.

What are some criticisms of the Enneagram as a personality classification system?

What alternative personality classification system is mentioned, and what are its key traits?