Comparison of the Bayley II Mental Developmental Index and the Bayley III Cognitive Scale: Are We Measuring the Same Thing?

Overview

Journal Acta Paediatr

Specialty Pediatrics

Date 2011 Nov 8

PMID 22054168

Citations 61

Authors

Jean R Lowe

Sarah J Erickson

Ron Schrader

Andrea F Duncan

Affiliations

Soon will be listed here.

Abstract

Aim: To better understand differences between Bayley Scales 3rd edition (Bayley III) Cognitive Scale and Bayley Scales 2nd edition (Bayley II) Mental Developmental Index (MDI) in 18-22-month-old children born term and preterm and to create a conversion algorithm using Bayley II MDI to calculate Bayley III Cognitive score.

Methods: This study included 51 term and 26 preterm children between 18 and 22 months, ages adjusted for prematurity. Children's scores on Bayley II MDI and Bayley III Cognitive Scale were compared using t-tests. The items from Bayley II MDI were used to calculate a score for the Bayley III Cognitive Scale. ANCOVA was used to create a conversion scale.

Results: Bayley III Cognitive scores were significantly higher than Bayley II MDI scores for term and preterm toddlers combined and separately (p < .0001). A conversion formula to convert Bayley II MDI to a Bayley III Cognitive score was calculated.

Conclusion: Term and preterm children had similarly elevated scores on the Bayley III calculated Cognitive score compared to the previous Bayley II MDI score. The use of a conversion algorithm may be helpful in studies that used both Bayley editions to get comparable outcome measurements within a clinical or research paradigm.

Citing Articles

Association between cardiovascular care and neurodevelopmental outcomes in infants with neonatal encephalopathy and hemodynamic instability.

Kovacs K, Giesinger R, Varga Z, Szabo M, Jermendy A, McNamara P J Perinatol. 2025; .

PMID: 39962327 DOI: 10.1038/s41372-025-02230-3.

Comparative analysis of developmental outcomes in very preterm infants: BSID-II versus Bayley-III German norms.

Hammerl M, Zimmermann M, Posod A, Pupp Peglow U, Hock M, Griesmaier E PLoS One. 2025; 20(1):e0318263.

PMID: 39869623 PMC: 11771884. DOI: 10.1371/journal.pone.0318263.

Caregiver Experiences, Healthcare Provider Perspectives and Child Outcomes with Virtual Care in a Neonatal Neurodevelopmental Follow-Up Clinic: A Mixed-Methods Study.

Raghuram K, Noh H, Lee S, Hong N, Kelly E, Shah V Children (Basel). 2024; 11(11).

PMID: 39594848 PMC: 11592627. DOI: 10.3390/children11111272.

Early interventions with parental participation and their implications on the neurodevelopment of premature children: a systematic review and meta-analysis.

Bernabe-Zuniga J, Rodriguez-Lucenilla M, Alias-Castillo A, Rueda-Ruzafa L, Roman P, Del Mar Sanchez-Joya M Eur Child Adolesc Psychiatry. 2024; 34(3):853-865.

PMID: 39028424 DOI: 10.1007/s00787-024-02528-1.

The effects of prenatal exposure to opioids on early childhood development: context matters most.

Carter G, McGlothlin S, McLaurin-Jiang S, Carlson R, OGrady K, Jones H Expert Opin Pharmacother. 2024; 25(8):1083-1094.

PMID: 38853647 PMC: 11490307. DOI: 10.1080/14656566.2024.2365331.

References

Bear L . Early identification of infants at risk for developmental disabilities. Pediatr Clin North Am. 2004; 51(3):685-701. DOI: 10.1016/j.pcl.2004.01.015. View

Most D, Fidler D, Booth-LaForce C, Laforce-Booth C, Kelly J . Stress trajectories in mothers of young children with Down syndrome. J Intellect Disabil Res. 2006; 50(Pt 7):501-14. DOI: 10.1111/j.1365-2788.2006.00796.x. View

Vohr B, Wright L, Dusick A, Perritt R, Poole W, Tyson J . Center differences and outcomes of extremely low birth weight infants. Pediatrics. 2004; 113(4):781-9. DOI: 10.1542/peds.113.4.781. View

Aylward G . Developmental screening and assessment: what are we thinking?. J Dev Behav Pediatr. 2009; 30(2):169-73. DOI: 10.1097/DBP.0b013e31819f1c3e. View

Anderson P, De Luca C, Hutchinson E, Roberts G, Doyle L . Underestimation of developmental delay by the new Bayley-III Scale. Arch Pediatr Adolesc Med. 2010; 164(4):352-6. DOI: 10.1001/archpediatrics.2010.20. View

Aylward G . Conceptual issues in developmental screening and assessment. J Dev Behav Pediatr. 1997; 18(5):340-9. DOI: 10.1097/00004703-199710000-00010. View

Stoll B, Hansen N, Bell E, Shankaran S, Laptook A, Walsh M . Neonatal outcomes of extremely preterm infants from the NICHD Neonatal Research Network. Pediatrics. 2010; 126(3):443-56. PMC: 2982806. DOI: 10.1542/peds.2009-2959. View

Peters S, Goddard-Finegold J, Beaudet A, Madduri N, Turcich M, Bacino C . Cognitive and adaptive behavior profiles of children with Angelman syndrome. Am J Med Genet A. 2004; 128A(2):110-3. DOI: 10.1002/ajmg.a.30065. View

Acton B, Biggs W, Creighton D, Penner K, Switzer H, Petrie Thomas J . Overestimating neurodevelopment using the Bayley-III after early complex cardiac surgery. Pediatrics. 2011; 128(4):e794-800. DOI: 10.1542/peds.2011-0331. View

10.

Messinger D, Bauer C, Das A, Seifer R, Lester B, Lagasse L . The maternal lifestyle study: cognitive, motor, and behavioral outcomes of cocaine-exposed and opiate-exposed infants through three years of age. Pediatrics. 2004; 113(6):1677-85. DOI: 10.1542/peds.113.6.1677. View

11.

Vohr B, Wright L, Poole W, McDonald S . Neurodevelopmental outcomes of extremely low birth weight infants <32 weeks' gestation between 1993 and 1998. Pediatrics. 2005; 116(3):635-43. DOI: 10.1542/peds.2004-2247. View

12.

Robertson C, Hendson L, Biggs W, Acton B . Application of the Flynn effect for the Bayley III Scales. Arch Pediatr Adolesc Med. 2010; 164(11):1072-3. DOI: 10.1001/archpediatrics.2010.199. View