Taken together, the test and its administration is an industry unto itself, worth around $20 million a year. It's a little troubling, given that Myers and Briggs were a mother (Katharine Briggs ...
In the 2018 book "The Personality Brokers: The Strange History of Myers-Briggs and the Birth of Personality Testing," Dr. Merve Emre explains that personality testing has become a $2 billion ...