posted on 2015-04-01, 03:23authored byAnn M. Weber, Lia C. H. Fernald, Emanuela Galasso, Lisy Ratsifandrihamanana
In 2007, the standard error on children’s estimated ability increased as the number of item sets administered to the children decreased. In 2011, the standard error on children’s estimated ability followed the expected pattern of increasing error at the extremes of low and high estimated ability.