Mariahna has been called to court to testify about a car accident she witnessed. she has never testified before, so she plans to attend a few hearings before the court date to see what really happens in a courtroom. she hopes to see how to address the judge and how people dress when called to testify. mariahna is using to guide her behavior.

- Informational social influence.

Explanation:

As per the given details, Mariahna is using 'informational social influence' to guide her behavior. She is conforming to the behavioral pattern followed by other people in the courtroom which she considers to be appropriate. She uses 'informational social influence' to gain knowledge that how the other people behave or act generally when they are in similar circumstances or situations. Thus, we may conclude that Mariahna is guiding her behavior by using 'informational social influence' which would assist her to make decisions regarding the behavioral manners to be displayed in the courtroom.

i'm sorry i don't understand the question.