Isabel Briggs Myers is Katharine’s daughter. They created the Myers-Briggs Type Indicator known as MBTI ®. The free personality test you are going to make or maybe you have already made is inspired by Katharine and Isabel Briggs Myers . Isabel Briggs Myers (18.October.1897 – 5.May.1980) implemented the know ideas in the psychology and added ideas and concepts of her own. Sooner a paper test was created and the results were fascinating. This paper survey is known as MBTI ®. 30 years of research were needed in order to complete the personality type determination. What is the idea of the personality type test? The questionnaire is simple and fast, you just need to answer several questions with Yes/No. The results based on a Myers Briggs work will reveal your personality type, what professions you will succeed most and boost your self-understanding. The three already known pairs of preferences were extended by Briggs and Myers and they added a fourth pair – Judging and Perceiving. The other known pairs are Extraversion/Introversion, Sensing/Intuition and Thinking/Feeling. What is the algorithm of the test? The answers you give on the free personality test are carefully analyzed and you are categorized. As you can see the pairs are based on antipodes – you are either Introvert or Extravert. A simple calculation can show that there are total 16 different personality types. Remember - all the personality types are equal! We are happy to provide free personality test based here! The results are instant and you can start immediately.