When it comes to the extroversion and introversion preferences, Chris prefers introversion. According to the MBTI Basics, introverts prefer doing things alone or in small groups. This preference is evident in the character of McCandless in the story. In reference to McCandless’ relationship with others it is well shown through the relationship he has with his car. Chris took trips alone. He liked doing things by himself. He even left his car not by choice, but he ended up loving the open road and traveling by foot. (Krakauer 28). A person who prefers extroversion would not likely travel alone because they need other people to remain energized. Therefore, one can infer that Chris had a propensity toward introversion and took trips to get away from others and society, probably to re-energize.
When it comes to the sensing and intuition preferences, McCandless prefers sensing. According to the MBTI Basics, Sense’s prefer actual facts and remembering details that are important to them. This preference is evident in the character of McCandless. In reference to Chris’ way of feeling something out before making a decision shows that his temperament type was sensing. Chris shows us how he is a sensor when he reached the Morelos Dam and the Mexican border: worried that he would be denied entry because he was carrying no identification, he sneaked into Mexico by paddling through the dam’s open floodgates and shooting the spillway below. (Krakauer 34). A person who is intuitive reads “between the lines’ they do everything very precisely and plans ahead. They know every step of the way. That’s why this shows Chris is Sensing because he just does things and then learns from them. He doesn't plan ahead he learns by doing.
When it comes to the thinking and feeling preferences, McCandless prefers thinking. According to the MBTI Basics, thinkers sometimes miss or don't value the “people’ part of a situation.