Normative study (clinical)
IDB Bogota Bayley (Colombia)
Inter-American Development Bank · 2020
Normative Research
This is a population-level study. Its data informs the age windows and confidence scores behind our milestone predictions — telling us when most children reach a given milestone, and how much variation exists.
Sample size
1,311
children
Countries
1
Colombia
Age range
Birth
to 3 years
Milestones covered
—
in our corpus
Domains assessed
CognitionLanguageMotorSocial & emotional
How we used it
Normative Bayley-4 subscale data from Bogota, Colombia cohort ingested during P31. Item-level canonical mapping pending.
Citation
Inter-American Development Bank (2020). Early Childhood Development Study — Bogota Cohort. IDB.
Item mapping in progress
This source has been ingested into our data pipeline. Item-level alignment with our canonical ontology is pending — it will appear here once complete.