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.
Differences in psychologist-rated behavior between children who were or were not administered supplemental iron in infancy. Effect sizes are shown for statistically significant group differences on individual items for the 3 factors that remained significant after covariate control. Effect size is the difference between group means divided by the SD.
