Carol Dweck is an American psychologist best known for her research on motivation and personality. She is a professor at Stanford University and has authored several influential books, including "Mindset: The New Psychology of Success." Dweck's work focuses on the concept of "mindsets," particularly the difference between a fixed mindset and a growth mindset. A fixed mindset believes that abilities and intelligence are static, while a growth mindset embraces the idea that they can be developed through effort and learning. Dweck's research has had a significant impact on education, psychology, and personal development, encouraging individuals to adopt a growth mindset to achieve their goals.