It is Friday night and Josh has a weekend full of work and family obligations, so he decides to study for his AP Psychology test that is on Monday. Just as Josh opens his book, his phone rings. His friend Kyle is calling to tell him about an awesome party and insists that he has to be there.
Josh has a tough decision to make. He wants to go to the party, but he only has Friday night to study for his test. After much deliberation, Josh decides to stay home and study because he knows that if he wants to get into a top university, he has to ace his test.
According to the psychoanalytic approach, what part of Josh's personality made the decision to stay home and study?