jung typology test™ a free test is based on carl jung’s & isabel briggs myers’ typological approach to personality. 72 yes or no questions. took me just a few minutes. go with your first instinct. estj. istj. estp. istp. entj. intj.entp. intp. esfj. isfj. esfp. isfp. enfj. infj. enfp. infp.