Answer: FILTER OF LIFETIME EXPERIENCES.
Explanation: A filter of lifetime experience can be said to be the act of gathering Intellectual understanding, knowledge, values, standards, the way an individual wants to lead their life based on their previous personal experiences.
This is what is described in the question. Alisa focusing on political science and public policy during her university studies(gathering knowledge) based on the fact that neighbors were laid off by large corporations (past personal experiences) .