Language 0–5 Project longitudinal cohort with looking-while-listening processing speed measurement

Design · All designs
Evidence · 2 claims (2 for) · 1 study (1 associational), q2 · 0 of 1 report an effect size · 2 claims rest on one study

Description

The Language 0–5 Project is a large longitudinal cohort in the North West of England from which this study draws its data. A total of 95 families were recruited, with a final sample of 90 contributing data at one or more measurement points. Children were tested in the laboratory at the University of Liverpool at 19, 25, and 31 months using a looking-while-listening paradigm with eye-tracking (EyeLink 1000 Plus), and caregivers completed repeated vocabulary checklists (UK-CDI, Lincoln CDI, CDI-III) between 8 and 37 months. The method is documented on the project's OSF site.

Design Implications

Context

Requirements

• Caregivers completed vocabulary checklists in the week prior to lab visits or on paper during the session

Constraints

• Children with fewer than 25% good trials were excluded at each measurement point; RT was calculated only on distractor-initial trials where the child looked at the distracter at target word onset

Target Learners

• monolingual English-learning toddlers, born full-term and typically developing

Learning Goals

• speed of lexical processing
• expressive vocabulary growth
• productive syntax growth

Claims

• Children of mothers who produced more word tokens at 18 months were faster to recognize familiar words at 24 months [+W]
• Faster word recognition at 24 months is associated with larger vocabularies and greater vocabulary gains in Spanish-learning children [+W]

Related Designs

Examples

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Key Sources

• Michelle S. Peter, Samantha Durrant, Andrew Jessop, Amy Bidgood, Julian M. Pine, Caroline F. Rowland. (2019). Does speed of processing or vocabulary size predict later language growth in toddlers? Cognitive Psychology 115 (2019) 101238. https://doi.org/10.1016/j.cogpsych.2019.101238

Page metadata

Field	Value
type	design
id	language-05-project-processing-speed-cohort
title	Language 0–5 Project longitudinal cohort with looking-while-listening processing speed measurement
description	The Language 0–5 Project is a large longitudinal cohort in the North West of England from which this study draws its data.
status	review
generated	by process:settle-candidates on 2026-10-17
trust	unverified — no one has confirmed this page's content
sources	1 — michelle-s-peter-2019

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