Trauma Informed Approaches and the Public Health Model

Triangle with the word "All" at the base of the triangle, the word "some" in the middle, and the word "few" at the top of the triangle

Trauma informed care approaches are implemented across education and human service organizations. The triangle below describes a systems-change approach for promoting wellness and decreasing negative experiences due to trauma. The triangle below shows three levels of prevention: Universal or Tier 1, Tier 2, and Tier 3. Each tier includes an increasing level of intensity that can be used to support children and adults who have experienced trauma. Some people benefit from tier 1 while others may seek out tier 2 and tier 3 strategies in order to improve emotional wellness and quality of life.

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