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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?