Child-Directed Speech Is Infrequent in a Forager-Farmer Population: A Time Allocation Study.

Child Development
Alejandrina CristiaJonathan Stieglitz

Abstract

This article provides an estimation of how frequently, and from whom, children aged 0-11 years (Ns between 9 and 24) receive one-on-one verbal input among Tsimane forager-horticulturalists of lowland Bolivia. Analyses of systematic daytime behavioral observations reveal < 1 min per daylight hour is spent talking to children younger than 4 years of age, which is 4 times less than estimates for others present at the same time and place. Adults provide a majority of the input at 0-3 years of age but not afterward. When integrated with previous work, these results reveal large cross-cultural variation in the linguistic experiences provided to young children. Consideration of more diverse human populations is necessary to build generalizable theories of language acquisition.

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Citations

Aug 11, 2018·Developmental Science·Elika BergelsonShaelise Tor
Oct 29, 2018·Developmental Science·Elika BergelsonAndrei Amatuni
Feb 6, 2019·Psychopharmacology·Eric C Shattuck
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Dec 21, 2021·Development and Psychopathology·Willem E Frankenhuis, Dorsa Amir
Jan 1, 2022·Cognitive Science·Federica BulgarelliElika Bergelson

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