The research -- due to appear in the forthcoming Journal of Personality and Social Psychology -- also found that a person's influence was not affected by how much others liked them.

CNN: Study: Bullying bosses dominate their way to power

In a 2005 study from the Journal of Personality and Social Psychology, people who wrote one-sentence e-mails were supremely overconfident in both their ability to communicate and their ability to detect sarcasm, seriousness, anger and sadness over e-mail.

CNN: A call to pick up the phone

The study in the Journal of Personality and Social Psychology, contradicts the idea that being under pressure leads to bad habits like over-eating or shopping sprees.

BBC: People under stress stick to habits, good or bad