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.

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when alex falls for the charming new boy at school, cole -- a handsome, funny, sports star who adores her - she can't believe she's finally found her soul who truly loves and understands her.  

at first, alex is blissfully happy. sure, cole seems a little jealous of her relationship with her close friend zack, but what guy would want his girlfriend spending all her time with another boy? as the months pass, though, alex can no longer ignore cole's small put-downs, pinches, or increasingly violent threats.  

as alex struggles to come to terms with the sweet boyfriend she fell in love with and the boyfriend whose "love" she no longer recognizes, she is forced to choose -- between her "true love" and herself.

explanation: