Answer:
Ex post facto
Explanation:
Ex post facto may be considered a form of research pattern whereby the facts are already established beforehand. That is findings about a particular phenomenon or occurence begins only after the facts about the incident or phenomenon has been established. It is also called after the fact research whereby the researcher only delves into finding patterned after the facts have been established without the knowledge, understanding of the researcher. Ex post facto is used to understand the pattern or effect rather than if the fact or problems truly exists.