This case study examined prosodic use in a normally developing child between the ages of 20 and 46 months. Conversational repairs were elicited to examine prosodic stress. Fundamental frequency, intensity, and duration of syllables were measured. Although the subject could repair stress errors, a clear pattern of the development of acoustic cues…

A multiple baseline across behaviors single-subject experimental design was used to determine if selected parameters of speech prosody were modified by an intensive training program administered over nine days to a six-year-old language impaired child. The training yielded positive results indicating that prosodic skills are modifiable. (Author/DB)