United Nations Children's Fund

Telephone versus in-person administration of the Early Childhood Development Index 2030: a crossover study, Brazil, Canada, India and Malawi.

Objective: To examine agreement between telephone and in-person administration of the Early Childhood Development Index 2030 (ECDI2030) survey. Methods: -tests and intraclass correlation coefficients. Findings: : -0.36), regardless of modality. However, pooled and stratified intr...