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Peer reviewedSmit, Ann Bosma; And Others – Journal of Speech and Hearing Disorders, 1990
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…
Descriptors: Age, Articulation (Speech), Articulation Impairments, Developmental Stages
Download full textReschly, Daniel J.; And Others – 1981
Findings from the Iowa Assessment Project are examined regarding the assessment and use of information on adaptive behavior and sociocultural background in decisions about students with mild mental retardation. Background aspects reviewed include terminology regarding mild retardation; research, litigation, and legislation on the topic during the…
Descriptors: Adjustment (to Environment), Culture Fair Tests, Educational Testing, Eligibility
