Does repeating a positive phrase called an affirmation out loud or to oneself change one's feelings or behavior? Some psychologists believe the answer to this question is yes. Others remain skeptical.

Picture this: You’re standing in the hallway outside of a boardroom, about to walk into the most important presentation of your career. Your palms are sweating and your heart is racing. Your stomach ...

Whether you’re feeling proud of yourself after a major accomplishment or feeling down on yourself after a day when you can’t seem to get it right, the way you talk to yourself matters. That’s the idea ...