Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Site effects on the Mullen Scales of Early Learning, computed on domain standard scores. Darker colours represent higher effect sizes. Numbers in the first column represent the numbers of infants at each site who provided data for these analyses.
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