Personality traits can play a crucial role in job satisfaction-with introversion and extroversion at the basic core of human nature. When life choices are compatible with a person’s disposition, it has the ability to generate powerful sensations of personal and professional fulfillment.  Are you an introvert or extrovert? Just for fun, click here to take American writer and lecturer, Susan Cain’s 12 question web survey. You might be surprised at what it reveals!