Psychology
Language Acquisition Milestones in Early Childhood
Quick fact
By age 5, a child’s vocabulary grows from 0 to over 2,000 words—an average of nearly 1 new word every waking hour during the vocabulary spurt.
Why this is interesting
A newborn who cannot speak a word will, within three years, be constructing full sentences. How does a human mind go from silence to storytelling in such a short time?