This document provides information about personality types and the Myers-Briggs Type Indicator (MBTI) assessment. It describes the 16 personality types identified by the MBTI: ISTJ, ESTJ, ISFJ, ESFJ, ISTP, ESTP, ESFP, ISFP, ENTJ, INTJ, ENTP, INTP, ENFJ, INFJ, ENFP, INFP. It also provides background on the development of the MBTI and how it is used to help identify personality preferences and suitable jobs or careers. The document includes activities for users to learn about their own personality type.