Answer: It was proved to be Selective Perception.
Selective perception makes us stay in a stimulus according to our expectations. It is related to preconceived ideas, our interests, and the desire or fear that something will happen. It is a biased and partial interpretation of reality.
In this study it was possible to realize that each student had a different image of what happened in the game, which favored the team belonging to the university to which the students were part.
Even if an event is happening, we will always use our own lenses, experiences and influences to absorb it.