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Updated: Feb 25, 2026

Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
Published on: April 28, 2016
Developmental changes in maternal education and minimal exposure effects on vocabulary in English- and
Margaret Friend1, Stephanie DeAnda2, Natalia Arias-Trejo3
1Department of Psychology, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA; San Diego State University and University of California, San Diego, Joint Doctoral Program in Language and Communicative Disorders, San Diego, CA 92182, USA.
Abstract:
The current research follows up on two previous findings: that children with minimal dual-language exposure have smaller receptive vocabularies at 16months of age and that maternal education is a predictor of vocabulary when the dominant language is English but not when it is Spanish. The current study extends this research to 22-month-olds to assess the developmental effects of minimal exposure and maternal education on direct and parent-report measures of vocabulary size. The effects of minimal exposure on vocabulary size are no longer present at 22months of age, whereas maternal education effects remain but only for English speakers.
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