Abstract

The Bayley's Scales of Infant and Toddler Development-Third Edition (Bayley-III) were used to measure the development of 24-month-old children (N = 1,452) in the Interactions of Malnutrition and Enteric Infections: Consequences for Child Health and Development (MAL-ED) study (an international, multisite study on many aspects of child development). This study examined the factor structure and measurement equivalence/invariance of Bayley-III scores across 7 international research sites located in Bangladesh, Brazil, India, Nepal, Pakistan, Peru, and South Africa. Exploratory and confirmatory factor analyses were used to identify the factor structure of Bayley-III scores. Subsequently, reliability analyses and item response theory analyses were applied, and invariance was examined using multiple-indicator, multiple-cause modeling. The findings supported the validity, but not invariance, of Bayley-III language scores at all seven sites and of the cognitive and motor scores at six sites. These findings provide support for the use of scores for research purposes, but mean comparison between sites is not recommended.

Original languageEnglish
Pages (from-to)604-614
Number of pages11
JournalSchool Psychology Quarterly
Volume33
Issue number4
DOIs
Publication statusPublished - 1 Dec 2018

Bibliographical note

Funding Information:
The Etiology, Risk Factors, and Interactions of Enteric Infections and Malnutrition and the Consequences for Child Health and Development Project (MAL-ED) is carried out as a collaborative project supported by the Bill and Melinda Gates Foundation, the Foundation for the National Institutes of Health, and the National Institutes of Health/Fogarty International Center. We thank the staff and participants of the MAL-ED Network Project for their important contributions. See Appendix for MAL-ED Network Investigator names and affiliations.

Keywords

  • Bayley-III
  • Infant development
  • Low- and middle-income countries
  • Structural validity

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