As more and more families embrace the “one and done” lifestyle, we're starting to understand only children so much more.

It feels like common sense that if someone had a higher level of neuroticism, they would be more likely to develop mental ...

The fascination for dark personalities goes beyond anticipated rewards or admiration for their ability to get things done. We ...

When we think of a narcissist, we may think of someone charming, arrogant, and boastful. And, for the most part, those ...

We talked to psychologists about positive traits of only children that aren’t well-known — and how much not having siblings really affects personality. These have been around since the late ...

You may be fine with becoming more like your parents or hate the idea. Either way, it’s something you can control.

Personality traits such as neuroticism and openness to experience are significant predictors of insomnia severity.

Children who receive more warmth and affection from their mothers grow into more open, conscientious, and agreeable young ...