Trying to understand our characters can be difficult. In order to know how they would react in different situations—and maintain the consistency of our narrative—we need to know their personalities inside and out.
Tools like the Myers-Briggs personality test are hugely helpful for gaining insight into our characters. For an even broader look at personality types and how traits can combine to create different characters, check out this infographic from Career Assessments Site. They’ve broken down the most prominent aspects of the sixteen Myers-Briggs personality types.