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Analysis of Intentional Communication of Normal Children from the Prelinguistic to the Multiword Stage.
Peer reviewed Peer reviewed
Wetherby, Amy M.; And Others – Journal of Speech and Hearing Research, 1988
Data on intentional communication by 15 normal children (ages 11-14 months at outset) were collected at three stages (prelinguistic, one-word, multiword) over the course of a year. All displayed acts for regulating behavior, engaging in social interaction, and referencing joint attention at each stage but with changing proportions. (Author/VW)
Descriptors: Child Language, Developmental Stages, Infant Behavior, Infants
Phonological Characteristics of Children Whose Stuttering Persisted or Recovered.
Peer reviewed Peer reviewed
Paden, Elaine Pagel; Yairi, Ehud – Journal of Speech and Hearing Research, 1996
A study of children who stutter (n=12), who have recovered early from stuttering (n=12), and who recovered later from stuttering (n=12) compared the phonological characteristics of the three groups with a control group. Results indicated that poor phonological ability in the early stage of stuttering appeared to be a contributing factor to the…
Descriptors: Children, Developmental Stages, Individual Characteristics, Longitudinal Studies
Vocal Communication in the First 18 Months of Life.
Peer reviewed Peer reviewed
Stark, Rachel E.; And Others – Journal of Speech and Hearing Research, 1993
The vocalizations of 51 infants were videorecorded and coded according to their communicative contexts. The distribution of communicative codes across seven major categories was found to be different for different age groups. Analysis indicated that vocal communication follows an orderly developmental sequence in normally developing infants in the…
Descriptors: Age, Communication Skills, Developmental Stages, Infants
A Note on the Variability of Timing Control.
Peer reviewed Peer reviewed
Crystal, Thomas H.; House, Arthur S. – Journal of Speech and Hearing Research, 1988
Analyses of duration data measured from connected-speech signals for three "slow" and three "fast" adult talkers produced mean values and standard deviations that demonstrated strong functional relationships. Slow speakers were more variable than fast speakers; thus, duration distributions may not indicate the level of…
Descriptors: Adults, Comparative Analysis, Consonants, Developmental Stages
Does Speech Emerge from Earlier Appearing Oral Motor Behaviors?.
Peer reviewed Peer reviewed
Moore, Christopher A.; Ruark, Jacki L. – Journal of Speech and Hearing Research, 1996
This study of the oral motor behaviors of seven toddlers (age 15 months) may be interpreted to indicate that: (1) mandibular coordination follows a developmental continuum from earlier emerging behaviors, such as chewing and sucking, through babbling, to speech, or (2) unique task demands give rise to distinct mandibular coordinative constraints…
Descriptors: Behavior Patterns, Child Behavior, Child Development, Developmental Stages
Anticipatory Coarticulation in the Speech of Adults and Young Children: Acoustic, Perceptual, and Video Data.
Peer reviewed Peer reviewed
Katz, William F.; And Others – Journal of Speech and Hearing Research, 1991
Acoustic and video data tracing the development of intrasyllabic coarticulation suggest that young children (n=30; ages three, five, and eight) and adults (n=10) produce similar patterns of anticipatory coarticulation, and perceptual data indicate that coarticulatory cues in the speech of three year olds are less perceptible than those of the…
Descriptors: Acoustic Phonetics, Adults, Age Differences, Articulation (Speech)