A large and long-term new study shows the way a 4-year-old draws a person not only says something about their level of intelligence as a toddler but is also predictive of their intelligence 10 years down the line, according to TIME.
A team of researchers at King’s College London had 7,752 pairs of identical and non-identical 4-year-old twins draw a picture of a child. Every sketch was rated on a scale from 0 to 12 based on the presence of features, like legs, arms, and facial features. The kids also underwent verbal and nonverbal intelligence measurement tests.
See this story on time.com