We’ll stick with the Idealist type, which corresponds to the Melancholic temperament.
First a brief run-down on the MBTI.
I was reintroduced to the system in my previous workplace as part of a Human Resources thing. I use the word ‘thing’ advisedly, since that particular episode defies more insightful analysis.
I fully intended to write something hateful and contemptuous about it, but found in the course of further research that I had a great deal of sympathy for the system, if not the practice of it in a corporate environment.
As with my aversion to corporate meditation, the problems lie in the self-serving, incoherent, and banal spirit that infects everything it comes into contact with, no matter how good or noble or valuable (or simply harmless) it may be.
So I spent some time digging deeper into the MBTI and came across various good resources.
The core of it lies in the cognitive functions of perceiving and judging. Perceiving comes in two forms: Sensing (S) and Intuition (N). Judging also comes in two forms: Feeling (F) and Thinking (T).
That gives four possible combinations of perceiving and judging: SF, ST, NF, and NT.
Broadly speaking, you could say that Sensing is about facts, details, and precision. Intuition is about patterns, similarities, and generalities. Feeling is about meaning, relation, and authenticity. Thinking is about reason, systems, and achieving goals.
To make matters more complex, the MBTI theory holds that these perceiving and judging functions are further divided by introversion and extroversion. That is, we use different functions to perceive interiorly as opposed to exteriorly, and likewise with judging.
If a person uses Sensing to interpret the exterior world, they will use Intuition to interpret the interior world. If a person uses Thinking to arrive at judgements about external things, they will use Feeling to reach decisions about internal ones.
In terms of notation, we can add a little i or e to the functions. So an NF person may be NiFe (introverted Intuition and extroverted Feeling) or NeFi (extroverted Intuition and introverted Feeling).
Not only are your functions introverted and extroverted, but you yourself are also more or less introverted or extroverted. In fact, introversion and extroversion of the individual (as opposed to the functions) is one of the most solidly researched and supported aspects of personality theory generally.
Why does this matter? Well, if your functions are NiFe, but you yourself are predominantly introverted (I), then your individual focus is going to be centred more on your introverted function: Ni – introverted Intuition. That is to say that your introverted Intuition is going to figure more in your experience of life than your extroverted Feeling.
An Extroverted NiFe person will have the inverse experience. They will still have introverted Intuition, but their extroverted Feeling will be more central to their experience.
For some reason, the Myers-Briggs notation settled on four characters. So instead of writing, for example, INiFe, they write INF, and add a P or J to tell you which of the functions is extroverted.
Thus, an Introverted person who has introverted Intuition (Ni) and extroverted Feeling (Fe) will be written as INFJ, because the Judging function is extroverted. Conversely, an Introverted person who has extroverted Intuition (Ne) and introverted Feeling (Fi) will be written as INFP.
Phew! This is hard work. Writing strictly explanatory material like this is rather exhausting. A structured, detailed approach is really better suited to a Sensing type.
Anyhow, as I was saying, all NF types are classed as Idealists in Keirsey’s system, which corresponds to the Melancholic temperament. But in MBTI terms, there are still notable differences between the various NF subtypes. An INFJ and an INFP may have a lot in common, but these commonalities will highlight their differences as well.
One way of thinking about these differences is in terms of temperament. There aren’t a lot of Melancholics around (half of them are hiding), but even so I know enough of them to spot consistent differences. Some Melancholics are a little, dare I say, Sanguine. Others are a little more Phlegmatic.
We might, in the typically crude style of the temperaments theory, suggest that some people are Melancholic-Sanguine and others are Melancholic-Phlegmatic. And if we look at the MBTI in Keirsey’s approach, we can see how this might work.
An INFJ has Ni and Fe as his predominant functions. But that means he also has Ti and Se as his tertiary and ‘inferior’ functions. Each of us uses all of the functions to greater or lesser degrees. What the MBTI really indicates is one’s preference or strength in the various functions. So when you see NF, you know immediately that S and T are in there somewhere.
Extroverted Sensing (Se) in Keirsey’s system signifies that a person is of the Artisan or Sanguine temperament. Whether you are an ISTP, ESTP, ISFP, or ESFP, you all have extroverted Sensing and are therefore all Sanguines.
This implies that all NFJ types are a little bit Sanguine, since they have Se as either their tertiary (for ENFJ) or inferior (for INFJ) functions.
Accordingly, all NFP types are a little bit Phlegmatic, since INFP and ENFP types have introverted Sensing (Si) as their tertiary and inferior functions respectively.
In theory then, all INFP types are Melancholic-Phlegmatic, though in practice it will depend on the individual as to how strong the relevant functions are. The functions of any given INFP will tend to be arranged as follows in order of preference: Fi, Ne, Si, Te.
But if you’ve ever done an MBTI test, you might find some unusual results. You might find, for example, that your inferior function is almost as strong as your dominant function. In fact, before I really understood the functions I was never sure if I was INFP or INTP, because I usually scored equally high in both F and T.
As various sources suggest, the inferior function is not supposed to be so strong but can emerge under stress or duress, or even as part of a developmental stage. The idea is that this weakest function can come to hold a certain mystique, potency or promise. Discovering an underdeveloped function that is, in a sense, the other side of the coin to your dominant function can present apparent opportunities and adventure.
For me, the development of extroverted Thinking coincided with my discovery of a system of ethics and an approach to philosophy that was new, exciting, and extremely powerful.
I pursued this philosophy in a single-minded way for several years. It was pretty much all I talked about. What I loved most about it was the clarity and certainty it provided, in stark contrast to the relativism and pluralism of the academic philosophy I had been exposed to.
And yet, the more I pursued it the more confined and restricted I felt. The sense of having all the answers at first provided wonder, but eventually the wonder collapsed in on itself. The excitement at having the tools to discover answers in time became weariness at the kinds of answers these tools could provide, or the kinds of puzzles they could solve.
In MBTI terms, I reached the limit of exploring my inferior extroverted Thinking. It no longer felt mysterious or interesting or powerful. The answers it provided may have been as true as ever, but they were no longer satisfying.
Developing or relying on my inferior function skews the results of various tests, and can result in MBTI mis-identification. I did wonder in the past whether I was INTP or INFP…but if we revert to the temperaments theory such mis-identification becomes laughable.
An INTP is, like all NT types, a Choleric. An INFP is, like all NF types, a Melancholic. And while Melancholics and Cholerics can have a lot in common, on closer inspection there is really no mistaking the two.
Yet prior to discovering the four temperaments theory, I did see strong similarities between myself and several Cholerics I know. The similarities are real, but from a Melancholic perspective, they are not as significant as the elements that give us a different ‘feel’.
And this is, again, where the MBTI suffers compared to the temperaments theory. By going into greater detail, offering 16 types rather than four main temperaments, by dealing in functions rather than reactions, the MBTI offers a lot more, but at greater risk of confusion and mis-identification.
In a very unMelancholic style, it turns the extremes of the four temperaments into the finely variegated 16 types. It reduces the ancient biological analogy of the humours to the interchangeable binary of the MBTI pigeon-holes, and loses something in the process. Like the inferior function that (for me) it represents, I don’t mind delving into it on occasion, but it’s not something I can depend on wholeheartedly.