Global Scales of Early Development

Chief Investigator:

Dr Tarun Dua (World Health Organisation)

Principal Investigators:

Professor Gillian Lancaster, Dr Gareth McCray (at Keele)


Bill and Melinda Gates Foundation



Study design:

Observational study - field tests in multiple countries

Primary objective:


To develop the Global Scales of Early Development (GSED) by harmonising three tools of early child development (IYCD, CREDI, GCDG) for use at the population level in LMIC settings to address UN Sustainable Development Goal 4.2.1. To field test the scales in multiple countries (including India, Pakistan, Tanzania) around the world and create standard ‘norms’.