Myers-Briggs Type Indicator

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Katherine Cook Briggs and her daughter Isabel Briggs Myers

The Myers-Briggs Type Indicator (or MBTI) is pseudoscientific self-test created by Katherine Cook Briggs and her daughter Isabel Briggs Myers which attempts to separate people into 16 different personality categories. It does this by assigning binary values to each of these four personality alignments: Introversion or Extroversion, Sensing/obServant or iNtuition, Thinking or Feeling, and Judging or Perceiving/Prospecting. These then translate into acronyms such as INTP or ESFP or many other different combinations.

Now, you may be wondering why I’m bringing this up, and that is because me and some of my system members took a variation of this test as a fun little experiment to see how different our personality archetypes are. However, before we get into the results of that, there’s still some things we want to bring up in regards to this test…

You can read all about the history and specifics of the MBTI here.

The version of the MBTI that we did is called the 16 Personalities Test. You can read more about this specific version of the test here. This test basically adds on a fifth personality alignment: Assertive (-A) or Turbulent (-T). And it’s all completely FREE! (We love free things :))

Problems with the MBTI

The problems with the MBTI is that it is not considered reliable or valid, at the very least not within a pychometric parameter. The test relies on things such as the Barnum-Forer Effect (a psychological phenomenon that causes individuals to assign high accuracy ratings to descriptions of their personality traits), flattery, and confirmation bias in order to determine where someone lands within the MBTI spectrum. Studies have indicated that most individuals who take this test score somewhere in the middle, with fewer individuals scoring higher or lower on certain categories or traits which can add to the inaccuracy. The MBTI also fails to observe emotional stability/reactivity which is a key factor in indicating individual/group actions, patterns of thought, and feelings.

Despite these facts, this test is apparently sometimes used in employment or educational capacities. There are also some who believe that the test is no less accurate, valid, and reliable than any other personality test.

Nonetheless, we figured it couldn’t hurt to give the test a try. 😉 Just for funsies.

Luna 1.0, Maxi, and Luna 2.0

I thought I’d go on ahead and include myself and my past selves in one category, for comparison and contrast.

Firstly, here are Luna 1.0’s results:

Mediator (INFP-T)

Poetic, kind, and altruistic people, always eager to help a good cause.

7% extroverted/93% Introverted

60% iNtuitive/40% observant

24% thinking/76% Feeling

40% judging/60% Prospecting

21% assertive/79% Turbulent

The website says, “Mediator personalities are true idealists, always looking for the hint of good in even the worst of people and events, searching for ways to make things better. While they may be perceived as calm, reserved, or even shy, Mediators have an inner flame and passion that can truly shine. Comprising just 4% of the population, the risk of feeling misunderstood is unfortunately high for the Mediator personality type – but when they find like-minded people to spend their time with, the harmony they feel will be a fountain of joy and inspiration.”

You can read all about the Mediator archetype here.

And Maxi’s results:

Debater (ENTP-A)

Smart and curious thinkers who cannot resist an intellectual challenge.

79% Extroverted/21% introverted

55% iNtuitive/45% observant

57% Thinking/43% feeling

40% judging/60% Prospecting

51% Assertive/49% turbulent

The website says, “No one loves the process of mental sparring more than the Debater personality type, as it gives them a chance to exercise their effortlessly quick wit, broad accumulated knowledge base, and capacity for connecting disparate ideas to prove their points. Debaters are the ultimate devil’s advocate, thriving on the process of shredding arguments and beliefs and letting the ribbons drift in the wind for all to see. They don’t always do this because they are trying to achieve some deeper purpose or strategic goal, though. Sometimes it’s for the simple reason that it’s fun.”

You can read all about the Debater archetype here.

Overall, we believe that both of these results semi-accurately portray Luna 1.0’s and Maxi’s personalities. However, we feel that Maxi’s results are not entirely accurate. This is mainly because Maxi never took joy in debating with people nor did she ever actively seek out debates. She mainly just spoke up for what she believed was right because she had to in order to help us survive. She was not afraid of speaking what exactly was on her mind, even when she might’ve been wrong. However, she did have the wit and the knowledge base that her result implies.

Now as for my (Luna 2.0) results… I also got the Mediator archetype lol. However, some of my percentages are different from Luna 1.0’s results so I will include them below:

Mediator (INFP-T)

16% extroverted/84% Introverted

65% iNtuitive/35% observant

34% thinking/66% Feeling

43% judging/57% Prospecting

15% assertive/85% Turbulent

I will say I think this is kind of accurate. We are slightly more extroverted since Maxi and Luna 1.0 fused. I’m still very much introverted, but I feel like I am able to interact with people much easier without expending all my energy at once. However, I believe that we’ve actually gotten more assertive than what these results portray. I am much more likely to stand up for myself than I was before, and I’m not afraid to call people out if I feel it’s deserved.


Here are Dany’s results:

Consul (ESFJ-T)

Extraordinarily caring, social, and community-minded people who are always eager to help.

64% Extroverted/36% introverted

(We don’t have a screenshot of Dany’s percentages for her intuitive/observant results, but she was obServant leaning.)

47% thinking/53% Feeling

60% Judging/40% prospecting

49% assertive/51% Turbulent

The website says, “For Consuls, life is sweetest when it’s shared with others. People with this personality type form the bedrock of many communities, opening their homes – and their hearts – to friends, loved ones, and neighbors.

“This doesn’t mean that Consuls like everyone, or that they’re saints. But Consuls do believe in the power of hospitality and good manners, and they tend to feel a sense of duty to those around them. Generous and reliable, people with this personality type often take it upon themselves – in ways both large and small – to hold their families and their communities together.”

You can read all about the Consul archetype here.

Dany believes that this description is mostly accurate to her personality, and I tend to agree. She does hold family and community very highly and she often puts other peoples’ wants and needs before her own. However, she believes that she is more on the intuitive side. She has a strong faith in herself and her decisions, and she has an immense amount of trust in her judgments and abilities.


H’s results:

Defender (ISFJ-A)

Very dedicated and warm protectors, always ready to defend their loved ones.

24% extroverted/76% Introverted

42% intuitive/58% obServant

29% thinking/71% Feeling

61% Judging/39% prospecting

65% Assertive/35% turbulent

The website says, “In their unassuming, understated way, Defenders help make the world go round. Hardworking and devoted, people with this personality type feel a deep sense of responsibility to those around them. Defenders can be counted on to meet deadlines, remember birthdays and special occasions, uphold traditions, and shower their loved ones with gestures of care and support. But they rarely demand recognition for all that they do, preferring instead to operate behind the scenes.

This is a capable, can-do personality type, with a wealth of versatile gifts. Though sensitive and caring, Defenders also have excellent analytical abilities and an eye for detail. And despite their reserve, they tend to have well-developed people skills and robust social relationships. Defenders are truly more than the sum of their parts, and their varied strengths shine in even the most ordinary aspects of their daily lives.”

You can read all about the Defender archetype here.

All of us in the system agree that this archetype accurately portrays H’s personality very well. He really is the embodiment of a Defender.


V also got the Defender archetype. Here are their percentages:

Defender (ISFJ-A)

9% extroverted/91% Introverted

38% intuitive/62% obServant

11% thinking/89% Feeling

51% Judging/49% prospecting

81% Assertive/19% turbulent

V thinks that this is an acceptable description of her personality. She believes she is more extroverted, though.


Care was the last one to take the test:

Protagonist (ENFJ-A)

Protagonists are inspiring optimists, readily taking action to do what they feel is right.

57% Extroverted/43% introverted

51% iNtuitive/49% observant

19% thinking/81% Feeling

90% Judging/10% prospecting

79% Assertive/21% turbulent

The website says, “People with the ENFJ personality type (Protagonists) feel called to serve a greater purpose in life. Thoughtful and idealistic, ENFJs strive to have a positive impact on other people and the world around them. These personalities rarely shy away from an opportunity to do the right thing, even when doing so is far from easy.

“ENFJs are born leaders, which explains why these personalities can be found among many notable politicians, coaches, and teachers. Their passion and charisma allow them to inspire others not just in their careers but in every arena of their lives, including their relationships. Few things bring people with the ENFJ personality type a deeper sense of joy and fulfillment than guiding friends and loved ones to grow into their best selves.”

You can read all about the Protagonist archetype here.

Of course, Care would have the Protagonist archetype. Why wouldn’t she? She deserves it more than anyone. She really is the glue that keeps us all together, and she does tend to put everybody else before herself. 10/10. Accurate Care description.


So, is the test an accurate way to categorize individuals’ personality? Eh. Maybe. The stuff about most people falling in the middle of certain personality traits seems to be true from what we gathered from our alters. It’s certainly pretty fun to participate in at least. I mean, c’mon, it’s pretty cool to be able to tell your friends you have the Protagonist personality archetype.

What do you think? Did you or some of your system members take the test? What were your results? I’d love to see if others got different results from ours. <3

Much love,

Luna Evanstar

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1 month ago

We had some of our alters do this as well during early self-awareness. It IS fun; we should try it again now that innerworld is less foggy and we feel more distinct.

The only one that I remember for sure is that Lothair was an INFJ. But I know the results varied with other alters.

Reply to  Luna
1 month ago

That makes sense. Our system has very good internal communication because we unwittingly practiced whenever we wrote stories. But we definitely have to watch out for the gatekeepers talking FOR other alters rather than letting them front. They are never as accurate at representing their headmates as they think. ^^” And sometimes switching people in makes us blended, so that makes it even more complicated.

Reply to  Luna
1 month ago

That is fair. It took us a lot of work as well. We just didn’t realize what we were doing.

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