The Riso-Hudson enneagram test presents human personality as a combination of 9 dimensions (enneotypes), which represent personality types, traits, virtues, defects and psychological tendencies.

The egogram is a tool that analyzes the structure of human personality, breaking it down into different aspects of consciousness and internal roles.

The Attachment Test evaluates the patterns of emotional bonding of a person with their caregivers and other significant figures in their life.