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

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

When people are confronted with negative feedback, they often respond by trying to protect their self-image. But not everyone reacts the same way. A new study published in the journal Social ...

Language can convey psychology in many ways. Word choice matters ... Oltmanns studied how word choices in social media posts ...