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Blog · 105 articles

Reading to go deeper.

Scientific insights, practical advice and reflections on personality.

All Career Personality Well-being
disc31 personality20 chronotype16 communication15 management15 riasec14 free-test11 career11 productivity10 love-languages10 leadership9 temperaments9
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.

disc disc-model guide behavior
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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.

disc everything-disc comparison personality-test
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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.

disc marston history psychology
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personnalite August 22, 2026

Free Big Five Test: Your Five Scores, and Where They Come From

Free Big Five test built on the 50 public-domain IPIP items. You get five scores out of 50, corrected for response style, not a four-letter type.

big-five ocean free-test personality
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professionnel August 8, 2026

Situational Leadership: Adapting Your Style to Context

Learn to switch between leadership styles based on team maturity, context, and goals. Goleman + Hersey-Blanchard frameworks explained.

leadership situational management hersey-blanchard
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professionnel August 4, 2026

Self-Awareness and Career Success: What Research Shows

Self-awareness and professional success: what studies measure, and their limits. DISC, RIASEC, leadership, VARK: the 4 pillars explained.

self-awareness success career professional
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