The Ever-Changing Sloth Psychology Blog


“Sloth Psychology” is a blog focusing on Jungian psychology and other psychology-related topics.

In particular, the articles in the category “Sloth Personality Test” are well-read by many people.


There is one thing I want to remind readers of here.

On this site, each personality type is expressed by four English letters, just as in the MBTI.

Therefore, some readers may think that this site is regarding an MBTI.


However, this site is not MBTI, but only based on “Jung’s Typology,” so please do not misunderstand.


Then, there are two reasons why I use the expression “MBTI-like” even though it is not MBTI.


The first reason.

I started writing this website in 2014.

At that time, I was posting the MBTI personality assessment test and explaining the results on the site.

And the basic structure of the site remains in this “Sloth Psychology.”

However, since I was originally a student of Jungian psychology, I have now removed the articles on the MBTI from this site and reverted to Jung’s Typology.

However, only its framework remained because I first adopted the MBTI expression.

That is one of the reasons why I refer to each personality type on this site by its “MBTI-like” name.


And the second reason is the simplicity of using only four English letters to express the type name.

For example, how can we describe the following personality types concisely?

Psychological attitude is extroverted, the superior function is thinking, and the auxiliary functions are sensation and intuition, but usually, the sensation is more conscious than the intuition.


There is no fixed expression, but I might describe it as follows.

Extroverted-Thinking and Sensation


However, if we use four English letters for “MBTI-like,” it can be easily expressed as follows.



However, this is merely borrowing from another method.

Someday, I want to quit using the four letters (like MBTI) and adopt the style based on Jung’s Typology, for instance, as I mentioned above.



This site has changed and will continue to change little by little.


Also, I may delete some articles that are not well-read.

So the number of articles remains almost the same.

But on the other hand, the articles that remain now are all that many people read.


In that sense, there are many useful articles no matter where you read them, but if you need help figuring out where to start, please start with the Sloth Personality Test.