You may know by now that personality isn’t all that stable over time, but a 15-item test provides even more striking evidence ...

The four 'humours' theory has been shaping how we view ourselves for millennia - and the personality types proposed by it still look oddly familiar today.

Categorical distinctions remain vital for clarity, prognosis, and treatment in personality disorder diagnosis.

Words are windows into the brain. The words that we choose—and how we say them—speak volumes about our personalities and even ...