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Blog · 31 articles

Reading to go deeper.

Scientific insights, practical advice and reflections on personality.

All Career Personality Well-being
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professionnel September 11, 2026

DISC in the Classroom: Running a Session with Your Students or Training Group

Taking a class or training group through the DISC test: preparing the session, running the shared grid, what to do next, and the limits to set.

disc classroom teacher training
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professionnel September 11, 2026

The DISC Model: The Complete Guide (Styles, Colors, History, Science and Uses)

The whole DISC model in one place: the two axes, the 4 styles, the colors, Marston's history, what the science says, and how to use it at work.

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professionnel September 11, 2026

DISC in Sales: Adapting Your Approach to Each Client Profile

Selling with DISC: read your client's style in a few minutes, adapt your pitch, your answers to objections and your customer relationship, without manipulating.

disc sales customer-relationships communication
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professionnel September 11, 2026

DISC vs Everything DiSC: What's the Difference Between the Model and the Product?

DISC is a public model born in 1928, Everything DiSC a product of Wiley. Origin, format, published reliability, uses: what really sets them apart.

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professionnel September 11, 2026

Is DISC Scientific? What the Research Says, and What It Doesn't

Reliability, validity, forced choice, the Barnum effect, hiring: what studies really say about DISC, with sources, and how to use your result.

disc science psychometrics reliability
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professionnel September 11, 2026

William Moulton Marston: The History of DISC, from Lie Detector to Wonder Woman

Who was William Moulton Marston? His 1928 book, his lie-detection test, Wonder Woman, and how his psychological theory became the modern DISC test.

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professionnel July 31, 2026

Personality Tests in Hiring: DISC and RIASEC for Your Career

How companies use DISC and RIASEC tests in hiring, and how to prepare effectively.

hiring disc riasec career
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professionnel July 28, 2026

DISC personality types percentages: which type is actually the rarest?

What percentage of people are D, i, S or C? Published figures range from 3% to 25%. Here is why they disagree, plus our own data from 324 test takers.

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personnalite July 28, 2026

Temperaments vs DISC: Two Visions of Personality

Side-by-side comparison of Hippocrates' temperaments and the DISC model. Similarities, differences, and when to use each framework.

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