The MBTI® instrument has been the subject of thousands of research projects studying the links between personality type and different aspects of life.
There are two organizations in the United States that assist with research related to the Myers-Briggs Type Indicator® (MBTI®) instrument and those are:
The Myers-Briggs Company, the publisher of the MBTI assessment, reports and support materials, and
The Center for Applications of Psychological Type (CAPT), a nonprofit organization founded in 1975 by Isabel Briggs Myers and a Clinical psychologist, Mary H. McCaulley, Ph.D.
The Myers-Briggs Company offers reduced prices for researchers who meet certain requirements. To learn more, visit the The Myers-Briggs Company research division at https://www.themyersbriggs.com/en-US/Company/Research
CAPT offers some research consultation and assistance. If you are requesting help for a research project, please forward as much detailed information as possible related to your research questions and design. Please send these inquiries to
CAPT is also the home of the Isabel Briggs Myers Memorial Library. It contains the largest collection of materials related to psychological type in the world. While this library does not lend books or materials, it does have scans of many documents made available for the purpose of type related research.
To discover what the Isabel Briggs Myers Research Library collection contains, and what documents are available, you can search CAPT's online catalog named MILO (This acronym stands for Mary and Isabel's Library Online).
To learn more about the resources contained within MILO, including the complete collection of the Journal of Psychological Type go to http://capt.booksys.net/opac/ibml/
If you would like to see additional documents from the library, please send your request to . Note: There may be a small service cost for these services.
If you are interested in pursuing research involving the theory of psychological type and other Jungian concepts or if you need Selection Ratio Type Tables (SRTTs), contact the Center for Applications of Psychological Type by , or by phone, 800-777-2278.