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In Reply to: RE: I believe MB... posted by mkuller on July 17, 2017 at 11:59:38
mkmuller wrote that the Myers-Briggs is "the standard for defining personality types." Whose standard? It's rarely used in research because it's psychometrically a poor instrument (see one of my earlier posts in this thread for a Wikipedia link that contains references to the scientific literature). Essentially, the "types" are neither temporally stable nor predictive of real-world behavior. For these reasons, it isn't used except in "pop psych" applications.
Actually, the most generally accepted theory of personality "types" is the Five Factor model, which also has methodological problems.
https://en.wikipedia.org/wiki/Big_Five_personality_traits
Follow Ups:
...throughout the corporate world, particularly in sales training.
It helps salespeople understand their personality type and how to relate to different types they are trying to sell to.
Also in understanding the other personality types internally you interface with.
and, becoming a senior NCO of infantry, I've run across personality testing a good deal.I've been give M-B tests, being told I would learn about me from it, and lost count after 10 instances.
It's not just because I was bothered by its assumptions from the outset.
E.g. "Do you prefer working with creative people or logical people?" WHATTTTT!!!??? was my reaction.Unless creative people means marketers, advertising folks and such, I am forced to go with the mid point of the scale.
Do you remember the wonderfully cruel and very funny episode in 'Hitchiker's Guide' about such folks, landed on a fertile planet like earth?
Why, Timbo? Because truly creative people solve or improve real complex problems, and need a good deal of logic and questioning to do so. Meeting sales targets doesn't fit at all, IMO.
IME & O MB's predictive ability is quite poor and it didn't help me in dealing with people.
I learn a great deal more from feedback given honestly, if it's by people with sufficient maturity to realise that I do, and will, think things through. Because I respect and value, them.
There are IME lots of people who achieve, and get things done, but I see no category of types most likely to do it.
The factors that matter most, say in getting things done, or changing an organisation's vision, are values-driven 'wanna' e.g. a commitment to making a difference.
Ambition and desire for success, are not vital IMO&E, can be recognised and disliked by colleagues and potential supporters. Selling ideas for change requires courage.
Warmest
Tim Bailey
Skeptical Measurer & Audio Scrounger
Edits: 07/22/17 07/22/17
mkuller says the MB is used "throughout the corporate world, particularly in sales training."
Again, the fact that it's used doesn't mean that it has any predictive validity. Show me research where sales people given INCORRECT MB types for themselves are rated as more persuasive than salespeople given CORRECT results of the MB indicator.
You might also consider "neurolinguistic programming," an approach to "matching" one's language and nonverbal behavior to a customer that was supposed to improve sales results--but no research ever showed it worked. It was widely used 25 years ago.
...I have no dog in this game so I'm not interested in an arguement.
"Reliability
What is reliability? Reliability is how consistently a test measures what it attempts to measure. Why is consistency important? Because when you measure something with an instrument two times, you want it to come out with the same answer (or close to it) both times. (This is called test-retest reliability, and it is an important measure of any kind of scientific testing.
Personality is qualitative and therefore difficult to measure, so psychological instruments cannot have the same consistency you would expect from, say, a ruler. But there are generally accepted standards for psychological instruments. The MBTI® instrument meets and exceeds the standards for psychological instruments in terms of its reliability.
Validity
Validity is the degree to which an instrument measures what it intends to measure, and the degree to which the "thing" that the instrument measures has meaning.
Why is this important? If personality type is real (or rather, if it reflects the real world with accuracy), then we should be able to use MBTI type to understand and predict people's behavior to some degree. Type should help us differentiate the values, attitudes, and behaviors of different people.
Many studies over the years have proven the validity of the MBTI instrument in three categories: (1) the validity of the four separate preference scales; (2) the validity of the four preference pairs as dichotomies; and (3) the validity of whole types or particular combinations of preferences. Many of these studies are discussed in the MBTI® Manual (published by CPP)."
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