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Related Experiment Video

Updated: Jun 23, 2026

A Novel Experimental and Analytical Approach to the Multimodal Neural Decoding of Intent During Social Interaction in Freely-behaving Human Infants

A Novel Experimental and Analytical Approach to the Multimodal Neural Decoding of Intent During Social Interaction in Freely-behaving Human Infants

Published on: October 4, 2015

Twin-singleton influence on infant development: a national birth cohort study.

F-W Lung¹, B-C Shu, T-L Chiang

¹Department of Psychiatry, Kaohsiung Armed Forces General Hospital, Taiwan. forweylung@gmail.com

Child: Care, Health and Development

|April 29, 2009

Summary

Twin and singleton child development are influenced by parental factors and birth characteristics. Prematurity and low birthweight mediate the effects of being a twin, but differences disappear when these factors are controlled.

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Published on: August 25, 2014

Area of Science:

Developmental Psychology
Pediatrics
Reproductive Medicine

Background:

Gestational age and birthweight are key mediators in twin development.
Maternal age, education, income, and assisted reproductive technologies (ART) act as moderators.
Understanding these factors is crucial for assessing developmental trajectories.

Purpose of the Study:

To investigate the mediating and moderating roles of various factors on twin and singleton development.
To analyze the complex interplay between maternal characteristics, birth outcomes, and child development.
To identify pathways influencing developmental differences between twins and singletons.

Main Methods:

A national birth cohort study of 21,648 infants assessed at 6 and 18 months postpartum.
Utilized the Taiwan Birth Cohort Study instrument for measuring gross motor, fine motor, language, and social development.
Employed three-step multiple linear regression and structural equation modeling for data analysis.

Main Results:

Parental sociodemographics, birth characteristics, and twin status significantly impacted child development.
Assisted reproductive technologies (ART) and twin status mediated the relationship between maternal age and child development.
Prematurity and low birthweight were significant mediators between twin status and developmental outcomes; controlling for these eliminated developmental differences.

Conclusions:

Structural equation modeling revealed complex, multi-pathway interactions influencing child development.
Medical interventions, particularly in prenatal growth and premature infant care, can positively impact development.
Addressing prematurity and low birthweight is key to optimizing developmental outcomes for twins.