Latest articles

Man drinking coffee by a window in morning light
August 19, 2026

What Is Temperament, and Why Isn't It the Same as Personality?

Most people use temperament and personality interchangeably. Psychology doesn't. Here's the real difference, and how VITALS measures Temperament as one of six validated dimensions.

By
Dr. David Watterson
Know Yourself
Temperament
Woman at a window in soft garden light
August 14, 2026

Why Personality Tests Feel So Accurate: And When They're Actually Telling You Something Real

Why do vague personality descriptions feel like they were written about you specifically? The Barnum effect explains the pull, and how to tell it apart from a result that's actually differentiated.

By
Dr. David Watterson
Know Yourself
Man reading in a barber shop
August 12, 2026

What Is Learning Style? How You Actually Absorb New Information

Most people think their learning style is visual, auditory, or hands-on. Here's what VITALS actually measures under that name, and why it isn't the same claim.

By
Dr. David Watterson
Know Yourself
Learning Style
Woman tending a rooftop garden in the morning
August 11, 2026

What Is the Values Dimension?

Values and interests get used as synonyms in everyday conversation. Inside VITALS, they measure two different things, and the difference explains a lot about why some jobs feel hollow even when nothing is obviously wrong.

By
Dr. David Watterson
Know Yourself
Values