Answer:
Factorial Personality Inventory
Step-by-step explanation:
The Factorial Personality Inventory is a psychological method that has as main objective to evaluate the personality of an individual and from it to devent and analyze all the motivations, behaviors, actions and thoughts that an individual may have about something or someone. This method could be used to assess a person's life, like Adam Lanza, the sniper of Sandy Hook's elementary school tragedy, to help understand the story behind why and how a person could behave that way.