Long, complex babbles that sound identical in intonation to adult speech :
MH SET - 2019, SET Exam - 2019,
Answer: C
Long, complex babbles that sound like adult speech in intonation are expressive jargon.
Towards the end of the first year, about 10-18 months, babies produce strings of syllables with the rise and fall, pauses and stresses of adult sentences, though they contain few or no real words. It sounds as if the child is talking in a foreign language.
Lallation is earlier babbling, repeating simple syllables such as 'la-la' or 'ma-ma', and cooing is the still earlier production of vowel-like sounds. Neither has the sentence-like intonation of jargon.
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