Predictors of early precocious talking: a prospective population study.
Jemma Skeat1, Melissa Wake, Sheena Reilly
1Murdoch Childrens Research Institute, Department of Paediatrics, University of Melbourne, Speech Pathology Department, Royal Children's Hospital, Parkville, Australia.
Journal of Child Language
|October 31, 2009
Summary
This study explored early language development in over 1,800 children, finding that being female and having a younger mother were linked to precocious talking. However, most factors examined had little influence on early vocabulary growth.
Area of Science:
- Developmental Psychology
- Linguistics
- Pediatrics
Background:
- Early language development is crucial for cognitive and social outcomes.
- Precocious talking, defined as expressive language at or above the 90th percentile, is a recognized phenomenon.
- Understanding predictors of early language acquisition can inform interventions and support.
Purpose of the Study:
- To identify predictors of precocious talking at one and two years of age.
- To examine the stability of precocious talking between one and two years.
- To investigate the influence of demographic, socioeconomic, and parental factors on early language development.
Main Methods:
- Prospective community cohort study with over 1,800 children.
- Logistic regression analysis to assess relationships between precocious talking and potential predictors.
- Variables examined included gender, birth order, birth weight, socioeconomic status, parental education, and maternal factors.
Main Results:
- Female gender and younger maternal age were the strongest, though modest, predictors of precocious talking.
- The examined variables collectively explained only 2.6% of variation in precocity at one year and 1% at two years.
- Stability of precocious talking across the two time points was also assessed.
Conclusions:
- While some factors show a slight association, precocious talking appears largely independent of the investigated demographic and socioeconomic variables.
- Further research is warranted to explore the strongest identified predictors, such as maternal age and gender.
- The limited explanatory power of the studied variables suggests other unmeasured factors significantly influence early vocabulary development.
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