Earlier Standing, Slightly Higher IQ?
A large study found that for every month earlier a child learned to stand, there was a gain of half an IQ point by age 8. Here, IQ is just a test score—and this is a correlation, not a guarantee.Toddler Milestones and Intelligence: What Early Means
Early Sentences, Small Edge
Children forming a sentence before 24 months averaged about 107 IQ, versus 101 for those later than 24 months in young adulthood.Toddler Milestones and Intelligence: What Early Means
