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Is the Bayley Scales of Infant and Toddler Developmental Screening Test, Valid and Reliable for Persian Speaking

Farin Soleimani1, Nadia Azari1, Roshanak Vameghi1

  • 1Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, IR Iran.

Iranian Journal of Pediatrics
|February 17, 2017
PubMed

Insights

The Bayley Scales of infant and toddler development screening test demonstrates high reliability and validity for Persian-speaking children after cultural and linguistic adaptations. This validated tool supports developmental assessment in this population.

Area of Science:

  • Developmental Psychology
  • Pediatric Assessment
  • Psychometrics

Background:

  • Neonatal and perinatal care advancements have improved survival rates for at-risk infants.
  • Standardized developmental screening tools are crucial for monitoring infant and toddler progress.

Purpose of the Study:

  • To evaluate the reliability and validity of the Bayley Scales of Infant and Toddler Development Screening Test.
  • To adapt the Bayley Scales for use with Persian-speaking children.

Main Methods:

  • A cross-sectional prospective study involved 403 children aged 1-42 months.
  • The Bayley Scales, assessing cognitive, communication, and motor domains, were administered.
  • Psychometric properties, including validity and test-retest/inter-rater reliability, were examined after cultural and linguistic modifications.

Main Results:

  • Cultural and linguistic adaptations were made to communication domain items.
  • Reliability coefficients (Cronbach's alpha) ranged from 0.76 to 0.81 across scales.
  • Construct validity was confirmed via factor analysis and mean score comparisons.
  • Intra- and inter-rater reliabilities were good to excellent.

Conclusions:

  • The adapted Bayley Scales exhibit high reliability and validity in the Persian population.
  • The screening test is suitable for assessing developmental progress in Persian-speaking infants and toddlers.
Abstract

Keywords:
InfantReliabilityScreening ToolsValidity

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