Tetra Pillars uses several scientific methods to explore and diagnose problems within organizations, including:

1. Personality Analysis – To understand individual behavior and work styles

2. Job Suitability Analysis – To match people with the right roles

3. Individual Assessments – To identify strengths, gaps, and HR capabilities

4. Interdepartmental Diagnostic Tools – To uncover issues across employee levels and departments

These methods help TPs find the root causes of problems and design targeted, effective solutions.