Psychological scientists have become increasingly concerned with issues related to
methodology and replicability, and infancy researchers in particular face specific challenges …

In the first decade of life, children become bilingual in different language learning
environments. Many children start learning two languages from birth (Bilingual First …

When interacting with infants, humans often alter their speech and song in ways thought to
support communication. Theories of human child-rearing, informed by data on vocal …

Abstract Infant‐directed speech (IDS), a speaking style distinguished by its higher pitch,
slower tempo, and exaggerated intonation, has been documented in speech directed …

A large number of children are exposed to more than one language. One well‐established
method of assessing early vocabulary development in monolingual children is parent report; …

Diverse samples are valuable to the study of development, and to psychology more broadly.
But convenience samples—typically recruited from local populations close to universities …

Infants are born into networks of individuals who are socially connected. How do infants
begin learning which individuals are their own potential social partners? Using digitally …

Le domaine de la recherche sur la petite enfance fait face à un défi d'envergure: certaines
questions exigent des échantillons qui sont tout simplement trop volumineux pour un …

The quantity and quality of the language input that infants receive from their caregivers
affects their future language abilities; however, it is unclear how variation in this input relates …

We report the findings of a multi‐language and multi‐lab investigation of young infants'
ability to discriminate lexical tones as a function of their native language, age and language …