Replication—an important, uncommon, and misunderstood practice—is gaining
appreciation in psychology. Achieving replicability is important for making research …

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 …

Why do humans make music? Theories of the evolution of musicality have focused mainly
on the value of music for specific adaptive contexts such as mate selection, parental care …

The dominant paradigm of experiments in the social and behavioral sciences views an
experiment as a test of a theory, where the theory is assumed to generalize beyond the …

People spend a substantial portion of their lives engaged in conversation, and yet, our
scientific understanding of conversation is still in its infancy. Here, we introduce a large …

Scientific studies of language behavior need to grapple with a large diversity of languages in
the world and, for reading, a further variability in writing systems. Yet, the ability to form …

Sociolinguistics is the study of the interaction between language and society. In this classic
introductory work, Janet Holmes and Nick Wilson examine the role of language in a variety …

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 …

Infant research is often underpowered, undermining the robustness and replicability of our
findings. Improving the reliability of infant studies offers a solution for increasing statistical …

Psychological researchers have become increasingly concerned with generalized accounts
of human behavior based on narrow participant representation. This concern is particularly …