One hundred forty-five speech language pathologists in Oregon were surveyed on which developmental norms they used when assessing articulation development. The majority reported they referred to M. Templin's 1957 investigation instead of more recent norms. (Author/PHR)

Assessment of the oral and speech motor abilities of normally developing two- through six-year-olds (N=90) revealed no developmental change of the structural integrity of the vocal tract although evaluations of oral and speech motor functioning changed significantly with age. (Author/CB)

A factor analysis of the Carrow Auditory-Visual Abilities Test identified common factors in a population of 1,032 nondisabled 4- through 10-year-olds and a clinical population of language-disordered or learning-disabled peers with auditory and/or visual perception problems. Most subtests fell into factors attributed to auditory or visual…

Normative data for 198 urban children (four to eight years old) who speak Black American English (BAE) were obtained on the Test of Language Development. Results revealed speakers of BAE differed significantly in performance from children on whom test was standardized. Difference in performance was reflected in overall test scores and in…

This paper discusses several commonly used maximum performance tests of speech production, including phonation volume, maximum phonation duration, maximum fricative duration, fundamental frequency range, maximum expiratory pressure, maximum closing force, and maximum repetition rate. The published normative data, adequacy of these data for…

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…