If Anthony has an id dominated personality, he is likely to go to the club to celebrate as the id opetates on the pleasure principle. On the other hand, if Anthony has a superego dominated personality he would most probably be sitting at home to study since the superego abides by rules and regulations. The ego attempts to balance the demands of the id and the superego. In this case, an ego dominated personality would lead Anthony to perhaps take out an hour or two to celebrate his friends birthday and then return home to study