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.
Content
Administration Information
Training required
Access and Use
Prices vary for different kits, please consult the publisher’s website.
BISD publisher (Pearson) customer support: +1 (800) 627-727
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
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