The Myers-Briggs Personality Test is a psychological assessment that categorizes people into 16 different personality TYPES based on their preferences for how they perceive the world and make decisions. The findings of the Myers-Briggs Personality Test are used to help individuals better understand themselves and how they interact with others. The five-letter answer to the crossword puzzle is 'TYPES, ' which refers to the 16 different personality TYPES that are identified by the Myers-Briggs Personality Test.