Data from parent reports on 1,803 children-derived from a normative study of the MacArthur
Communicative Development Inventories (CDIs)-are used to describe the typical course and …

BACKGROUND. PEDIATRICS (ISSN Numbers: Print, 0031-4005; Online, 1098-4275).
Published in the public domain by the American Academy of Pediatrics. Speech and …

Progressing gradually from babbling to meaningful sentences is something most babies do
naturally. But why do they? John L. Locke's answer constitutes a fascinating journey along …

Few tools are available to pediatricians for tracking and monitoring disability status in
children. We describe the conceptual basis and pilot use of the Functional Independence …

A 1-year follow-up of relationships between language and symbolic gesture in 10 children
with delayed onset of early lexical skills (Thal & Bates, 1988a) is reported Original data are …

How does age of first bilingual language exposure affect reading development in children
learning to read in both of their languages? Is there a reading advantage for monolingual …

Non‐specialists can identify three types of developmental language disorder.(1) mixed
receptive/expressive disorders, which impair phonology, syntax, and semantics. Children …

Researchers have hypothesized in the past that children learning sign languages develop
signs at an earlier age than is typically expected for vocal words. This assumption, however …

Previous research has documented the validity of parent report for measuring vocabulary
and grammar in typically developing toddlers. In this project, two studies examined the …

Spontaneous language samples of 30 24-month-old toddlers diagnosed with Specific
Expressive Language Impairment (SLI-E) were compared with samples produced by an age …