Purpose: The purpose of this study is to investigate how epidemiological and clinical factors collectively predict whether a preschooler who is stuttering will persist or recover and to provide guidance on how clinicians can use these factors to evaluate a child's risk for stuttering persistence. Method: We collected epidemiological and clinical…

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…