My Myers-Briggs personality type changes from INTJ to INFJ and sometimes INTP and INFP. I've even come up as an ENTJ on one of those tests. Now, some people I know who have taken the test more than once have always come up the same type, while others have had even more wildly different results due to most or all of the preferences being marginally expressed at 1%, going from ESTJ to INTJ, or ESFP to ENFJ. Why does this happen? The official MBTI experts will tell you that your (MBTI) personality is innate and never changes. Is personality nature, not nurture? Here's an interesting Q & A posted on Quora that I found on the topic:
Psychology: Can a person's Myers-Briggs personality type change? Gayle Laakmann McDowell, Author: Cracking the PM Interview & Cracking the Coding Interview
"Do you mean can your personality type change, or can the results change? Those are different things.
"Your personality can certainly change over your lifetime, though it usually won't change significantly in a short amount of time. Your Myers-Briggs Personality Type (MBTI) is merely a reflection of your personality (and a poor one at that).
"Your MBTI type can easily change in a span of weeks, or even minutes or hours. When people were tested just weeks apart on MBTI, 50% of the people had their personality type change.
"One of the major failures with MBTI is how the results are interpreted. The results are actually a bell curve, but people pretend as though it's a two-humped curve." Continue reading: Psychology: Can a person's Myers-Briggs personality type change? - Quora.com