When speaking to infants, adults often produce speech that differs systematically from that
directed to other adults. To quantify the acoustic properties of this speech style across a wide …

Young children learn to communicate in the language (s) of their communities, yet the
individual trajectories of language development and the particular language varieties and …

In the past decades, reductionism has dominated both research directions and funding
policies in clinical psychology and psychiatry. The intense search for the biological basis of …

Daylong at‐home audio recordings from 10 Tseltal Mayan children (0; 2–3; 0; Southern
Mexico) were analyzed for how often children engaged in verbal interaction with others and …

Parental language input is one of the best predictors of children's language achievement.
Parentese, a near-universal speaking style distinguished by higher pitch, slower tempo, and …

Since the mid-20th century, scientists have observed unique features in speech, facial
expression, and content directed to infants and toddlers in comparison to speech directed to …

Young children's language experiences and language outcomes are highly variable.
Research in recent decades has focused on understanding the extent to which family …

The Toolkit provides a practical,“how-to” guide for selection and adaptation of child
development measurements for use in low-and middle-income countries. Users can follow …

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 …

A range of demographic variables influences how much speech young children hear.
However, because studies have used vastly different sampling methods, quantitative …