suppose you have an extravert and an introvert in your class. According to the theory of person-situation interaction, you cant predict which one will show the best adaptation unless you consider the situation they are in. the theory of person-situation interaction predicts that the extravert will adapt best when asked to carry out task independently. similary, the extravert likely will be happier when socializing with lots to people at a party, the introvert when in a more private setting alone or with a friend.