The study compared results of the Preschool Language Scale, administered to 214 rural and 214 suburban children in Nebraska. Both groups scored above age level, but a higher percentage of rural children failed a wide range of verbal ability and auditory comprehension items. The scale did not meet criteria for nonbiased, ecologically valid…

The Iowa Articulation Norms Project and its Nebraska replication provided normative information about speech sound acquisition of children ages two through nine. This paper discusses the influence of demographic variables, trends in ages of acquisition, the impact of acceptability criteria on outcomes, and the usefulness of plotting acquisition…