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A Quick Exploration of Personality Types

There are many resources for learning more about personality types available and attempts to categorize have been around for a very long time. Even “objective” testing has a long history, beginning with the “Woodworth’s Personality Data Sheet” developed in 1917 to “identify soldiers prone to nervous breakdowns during enemy bombardment in World War I. (“A history of the early days of personality testing in American industry: an obsession with adjustment,” Robert E. Gibby and Michael J. Zickar, Aug 2008, National Library of Medicine, Many have been developed in the intervening century with the Myers-Briggs Type Indicator® (MBTI®) being one of the most prevalent in use today. Since is prevalent, it has been reference ed in my source material, generally with a tacet implication that readers understand what the referenced personality types are. Since I do not assume that all readers do understand Myers-Briggs, and even those who do may not remember what all sixteen personality types are, I am including some refence material for you here. This is not an endorsement of Myers-Briggs and I encourage you to study and learn more on your own.

The following graphic provides an overview of the 16 MBTI® personality types.


This is just a cursory introduction, of course, but you might find useful as a quick reference. For an in-depth presentation I suggest you go here:

or to the Myers-Briggs Company website itself: Myers-Briggs Type Indicator® (MBTI®) | Official Myers Briggs Personality Test (

And here are few examples of historical figures and the personality types, based on MBTI®, that they might have had. I say “might” because applying the assessment to people without them taking it is a risky and unreliable undertaking. Nonetheless, it has been done, and the following graphic is one result:

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