Bayley Scales of Infant and Toddler Development (BSID)

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Instrument Overview

The Bayley Scales of Infant and Toddler Development (BSID) measures the development of infants and young children (aged 16 days-42 months). Conducted by trained examiners, BSID includes several developmental play tasks to assess cognitive, language, motor, social-emotional, and adaptive behavior development. BSID’s most recent fourth version was created in 2019.

Organization

Topic
Student Well-Being
Tags
Early childhood education,
Child development

Content

Grades
< 3 Years
Languages
English
Respondent
Examiner

Administration Information

Length
30-70 minutes
Administration
Computer,
Paper

Access and Use

Price

Prices vary for different kits, please consult the publisher’s website.

Contact

BISD publisher (Pearson) customer support: +1 (800) 627-727

Link
Bayley Scales of Infant and Toddler Development Fourth Edition (Bayley-4)
Open Access
No
Use in Research
Bell, E. F., Hintz, S. R., Hansen, N. I., Bann, C. M., Wyckoff, M. H., DeMauro, S. B., ... & Gaetano, L. (2022). Mortality, in-hospital morbidity, care practices, and 2-year outcomes for extremely preterm infants in the US, 2013-2018. JAMA, 327(3), 248-263.  https://doi.org/10.1001/jama.2021.23580  Benavente-Fernández, I., Synnes, A., Grunau, R. E., Chau, V., Ramraj, C., Glass, T., ... & Miller, S. P. (2019). Association of socioeconomic status and brain injury with neurodevelopmental outcomes of very preterm children. JAMA Network Open, 2(5), e192914-e192914. https://doi.org/10.1001/jamanetworkopen.2019.2914  Schaworonkow, N., & Voytek, B. (2021). Longitudinal changes in aperiodic and periodic activity in electrophysiological recordings in the first seven months of life. Developmental Cognitive Neuroscience, 47, 100895. https://doi.org/10.1016/j.dcn.2020.100895

Psychometrics (additional guidance)

Psychometric References

Aylward, G. P., & Zhu, J. (2019). The Bayley Scales: Clarification for clinicians and researchers. Pearson. https://www.pearsonassessments.com/content/dam/school/global/clinical/us/assets/bayley-4/bayley-4-technical-report.pdf

Balasundaram, P., & Avulakunta, I. D. (2021). Bayley scales of infant and toddler development. In StatPearls [Internet]. StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK567715/

Bayley, N. (2005). Bayley Scales of Infant and Toddler Development, Third Edition (Bayley--III®). APA PsycTests. https://doi.org/10.1037/t14978-000