The article discusses ten signs that may indicate someone is smarter than they think, backed by scientific research. These signs include:
1. Recognizing how much you don't know
2. Wearing the same clothes every day, as a sign of saving mental energy for more important things
3. Being able to feel what others are thinking, a sign of empathy
4. Having self-control and being able to plan for the future
5. Having blue eyes, which may be associated with higher intelligence
6. Loving chocolate, which can stimulate mental activity
7. Knowing exactly what's bothering you when you're upset
8. Talking to yourself, which can help separate important ideas from useless ones
9. Being unable to stand background noise, which can prevent focus
10. Having messy handwriting, which can be a sign of creative clutter.
These signs are not definitive indicators of intelligence, but rather characteristics that may be commonly found in intelligent people.
Here are the key facts extracted from the text:
1. A study by Justin Kruger and David Dunning found that people who are 100% sure of their abilities tend to perform worse than those who are more critical of themselves.
2. The study was published in the Journal of Personality and Social Psychology in 1999.
3. The study involved undergraduate students at Cornell University who were tested on humor, logical reasoning, and English grammar.
4. Psychologist Oliver Buckman has researched the lifestyle of the world's brightest minds and found that they tend to save their mental abilities for more important things.
5. A study by Daniel Goleman found that people who are emotionally intelligent tend to be more successful in life.
6. Research by American scientists suggests that blue eyes may be a sign of natural super intelligence.
7. Professor Joel Lorand has concluded that humans and animals with light eyes are better at activities that require planning than those with dark eyes.
8. A study by the University of Minnesota found that people who prefer to wait for rewards tend to perform better in intelligence tests.
9. A study by the French doctor found a correlation between chocolate consumption and the number of geniuses per 10 million people in certain countries.
10. Switzerland, Sweden, Denmark, and Norway have high rankings in terms of chocolate consumption and number of geniuses per 10 million people.
11. Psychologist Daniel Goleman found that geniuses tend to recognize and address their emotions, rather than ignoring them.
12. A study by Daniel Your Church and Gary Lampião found that talking to oneself can help separate important ideas from useless ones.
13. Research by que tem voco and his team found that messy handwriting is a sign of creativity and is fueled by creative clutter.
14. The results of the study on handwriting were published in the scientific journal Psychological Science.