The ability of three-year-old children to deceive was examined in order to determine whether they were able to hide their emotional expression intentionally. Results indicated that very young children have begun the process of learning how to mask their emotional expressions and support the role of socialization in this process. (RH)

This study examined consonant cluster production, especially general trends and individual differences, in 16 typically developing 2-year-olds over six months. Data demonstrated that the toddlers could produce an increasing range of consonant clusters in word-initial and word-final position, although few could produce them correctly. Specific…

The relationships among decentration, decontexturalization, and integration in the same children were investigated to reexamine sequences of actor-object play for the purpose of revising and extending previous models. The results contribute to the understanding of complex play by establishing the variability of component relationships and…

Presents four principles which are used within cultures for the organization and elaboration of emotional experience. Proposes these principles as a way to expand the Miller and Sperry (Merrill-Palmer Quarterly, 1987) descriptive ethnographic data on the emotional development of three young children in a south Baltimore community. (NH)

Reported are two studies which describe the early development in children of the ability to consider every one of an array of instances. Taken together with other recent studies, the data reveal early development in preschool children of a fundamental, general problem solving skill. (PCB)

Studies 12- to 24-month-olds in a series of videotaped tasks assessing single object manipulation, relational play, pretend play, distractibility and persistence. Develops eight relatively subtle measures of three aspects of individual differences in infant behavior: developmental level, attention span, and exploratory diversity. (Author/NH)

Delay/response inhibition in the presence of an attractive stimulus and compliance with maternal directives in a clean-up task were observed among subjects 18, 24, and 30 months of age. Results suggested (1) achievement of self-control is a major developmental accomplishment, and (2) individual differences in self-control emerge and are…

Examines extent to which knowing that certain things go together and knowing how they do are independent aspects of developing cognitive systems. Indicates that children use temporal order as organizing principle by three years of age. Suggests an earlier developmental horizon as the origin of ordering abilities. (Author/BE)

Significant relationships were found between linguistic maturity of children, speech of parents, and children's helping behavior. Mean length of utterance was a better predictor of cooperative behavior than child age; no comparable relationships were found for parents' nonverbal behaviors. Results support a hypothesis of verbal mediation of…

Various issues related to positioning infants and children with central nervous system dysfunction in order to conduct videofluoroscopic swallowing function studies are discussed. Extensive illustrations demonstrate solutions to specific problems. (DB)

Evaluation of canonical babbling of 13 infants with Down syndrome found that age of onset of babbling was approximately 2 months later and less stable than that of 27 typically developing infants. Age at onset of canonical babbling for Down syndrome infants was correlated with scores at 27 months on the Early Social-Communication Scales.…

Two studies examined word frequencies in toddlers' lexicons using the Language Development Survey (LDS). In Study 1, a high degree of consistency in LDS word frequencies was found in the lexicons of 758 24-month-olds. In Study 2, LDS word frequencies in 40 late talkers found both lexicon size and age of subject influenced the degree of consistency…

This study was designed to (1) gather Australian data on the Toddler Temperament Scale (TTS), (2) assess age differences on temperament in the one- to three-year-old group; (3) assess the psychometric properties of the TTS; and (4) consider some issues of concurrent validity in the measurement of temperament and behavioral adjustment. (Author)

Spatial matching--the ability to distribute search effort in accord with the distribution of hidden resources--was studied in 18- to 54-month-old children. The principal development was the appropriate use of win-shift response. (Author/RWB)

Tested the hypothesis that understanding of the pretend-real distinction develops earlier than understanding of the theoretically related apparent-real distinction. Found 3-year-old children consistently performed better on pretend-real tasks than on apparent-real tasks, even when the tasks were identical except for the distinction tested. (SKC)