
Discover the strange history of Myers-Briggs, the unvalidated test that infiltrated Fortune 500 companies, the CIA, and millions of lives. How did two women without psychology degrees create a personality system that continues to shape our self-perception despite lacking scientific backing?
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In a suburban Washington D.C. living room in the early 1900s, Katharine Cook Briggs transformed her home into what she called a "cosmic laboratory of baby training." After losing several children to illness, Katharine channeled her grief into an obsessive study of child development, using her surviving daughter Isabel as her primary subject. She meticulously documented Isabel's responses to behavioral drills, rewarding success with magical storytelling sessions. This wasn't just maternal attention-it was the beginning of what would become a $2 billion global industry spanning 26 countries. Have you ever wondered which of sixteen personality types you might be? The four-letter codes of the Myers-Briggs Type Indicator (MBTI) have become so embedded in our culture that many describe it as "like my religion"-a framework through which they understand themselves and others. Yet this ubiquitous tool began with a grieving mother who distributed detailed questionnaires to neighborhood parents, asking whether their children were "placid or intense" and "organized or spontaneous." These crude categorizations laid the groundwork for what would eventually become the world's most popular personality assessment, taken by over two million people annually.
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Cree par des anciens de Columbia University a San Francisco
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Cree par des anciens de Columbia University a San Francisco

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