By the age of 10 months, an infant will generally
A)use only the phonemes of the native language of adult speakers around them.
B)be in the cooing stage of vocalisation.
C)have a vocabulary of approximately 100 words.
D)speak in two-word "sentences".

Question

Quizplus · Accepted Answer

By the age of 10 months, infants typically start to narrow down their use of phonemes to only those present in the language they hear around them, indicating they are learning to distinguish the sounds of their native language. This is known as phonemic narrowing or language-specific tuning. While infants at this age may produce sounds and babbling, they are not yet speaking in two-word sentences or have a vocabulary of approximately 100 words.

By the Age of 10 Months, an Infant Will Generally