A main source for the ages
Canonical Babbling: A Marker for Earlier Identification of Late Detected Developmental Disorders?
Sigrun Lang, Katrin D. Bartl-Pokorny, Florian B. Pokorny, Dunia Garrido, Nivedita Mani, Annette V. Fox-Boyer, Dajie Zhang, Peter B. Marschik · 2019 · Current Developmental Disorders Reports
- Children
- A review of earlier studies
- Where
- Studies in many languages, including English, Dutch, Swedish, Spanish, German, Mandarin and Cantonese
- Ages
- Babies in their first year
- How
- Researchers summarised earlier studies of when babies start babbling
- What it found
- Says typically developing babies start babbling between about 5 and 10 months, at similar ages across many languages.
- Limits
- A summary of other studies, not new measurements. Its main focus is babies with particular conditions, which we don't cover.