It also suggests that every person has a preference for one of these functions (more details on Carl Jung’s theory here).
Later Isabel Briggs Myers and Katharine Cook Briggs — none of them a psychologist — expanded on Jung’s theory, suggesting that there are 16 possible personality types (the list and links to detailed personality portraits can be found below).
Over the years, more and more psychologists and researchers explored the subject and added their own observations. Numerous books have been written and several personality assessments exist.
If you are interested in the 16 personality types, you may be interested in taking this test. Unlike free versions available elsewhere on the web, this test was professionally developed and scientifically validated. The test is not free but it isn’t expensive either and is probably well worth your time and effort.
The test takes about 20-30 minutes to complete and, at the end of the test, your four-letter type code will be revealed (e.g., INTJ or ESTP). You can use this four-letter type code to learn more about yourself by clicking on your type here (in addition, test authors also provide their own report):
If, for any reason, you aren’t happy with your purchase, you can request a refund.
And here is some additional info on the 16 personality types (regularly updated):
If Countries Were People… 16 Personality Types by Country
6 Reasons to Hire an INTJ
10 Ways ENFPs Annoy Other People
6 Mistakes INFJs Make in Life
Famous INFJ People
36 Ways to Make Your INFP Happy
19 INTP Careers to Avoid (and 7 to Pursue)
4 Stages of ENTJ Relationships — A Must-Know Before You Commit
ENFJ and INFP
22 ENFJ Careers to Avoid (+ 7 Types of Organizations ENFJs Absolutely Hate)
ISFJ vs. INFJ
ISFP vs. INFP: Let’s Make It Clear Once and For All
ENTJ vs. INTJ — Here’s the Difference
ENTP vs. ENTJ
ENTP vs. ENFP
ENFP vs. INFP
INTJ vs. INFJ
ENFJ Relationship Compatibility With ALL Types
INFP Relationships and Compatibility With All Types
INTJ Relationships and Compatibility With All Types
Finally, to find out how the 16 personalities translate into the four temperament model, click here.