نتایج جستجو برای: prevailing age group
تعداد نتایج: 1583694 فیلتر نتایج به سال:
Adolescence is a phase of the lifespan associated with widespread changes in emotional behavior thought to reflect both changing environments and stressors, and psychological and neurobiological development. However, emotions themselves are complex phenomena that are composed of multiple subprocesses. In this paper, we argue that examining emotional development from a process-level perspective ...
Infant bilingualism offers a unique opportunity to study the relative effects of language experience and maturation on brain development, with each child serving as his or her own control. Event-related potentials (ERPs) to words were examined in 19- to 22-month-old English-Spanish bilingual toddlers. The children's dominant vs. nondominant languages elicited different patterns of neural activi...
STUDY OBJECTIVE To test whether sleep duration on school nights differs between adolescents in Australia and the United States and, if so, whether this difference is explained by cultural differences in school start time, parental involvement in setting bedtimes, and extracurricular commitments. PARTICIPANTS Three hundred eighty-five adolescents aged 13 to 18 years (M = 15.57, SD = 0.95; 60% ...
PURPOSE This study examined parent perception of early communication development before and after participation in language intervention. METHOD Fifty-three parents of toddlers with developmental delays and fewer than 10 spoken words completed the Parent Perception of Language Development, an experimental measure, before and after the children were randomly assigned to a language intervention...
Legislation and anticipation: Consequences for the measurement of the minimum wage employment effect
When Congress or a state legislature passes a minimum wage increase, there is often a period of several months between the passage of the increase and its implementation. During this period, employers know the level of the current binding minimum wage, but they also know the level of the minimum wage at a defined future date. Although this “future wage,” as I call it, is not yet binding, employ...
This study sought to determine why American parents from different socioeconomic backgrounds communicate in different ways with their children. Forty-seven parent-child dyads were videotaped engaging in naturalistic interactions in the home for ninety minutes at child age 2;6. Transcripts of these interactions provided measures of child-directed speech. Children's vocabulary comprehension skill...
Disclosure and lying to mothers and fathers about different activities, as defined within social domain theory, were examined as a function of Latino family values in 109 Puerto Rican lower socioeconomic status middle adolescents (M=15.58 years, SD=1.18) living in the United States. Questionnaires revealed that teens sometimes disclosed to parents about their risky prudential (unhealthy or unsa...
Visual learning depends on both the algorithms and the training material. This essay considers the natural statistics of infant- and toddler-egocentric vision. These natural training sets for human visual object recognition are very different from the training data fed into machine vision systems. Rather than equal experiences with all kinds of things, toddlers experience extremely skewed distr...
Previous studies indicate that English-learning children acquire the distinction between singular and plural nouns between 22 and 24 months of age. Also, their use of the distinction is correlated with the capacity to distinguish nonlinguistically between singular and plural sets in a manual search paradigm (D. Barner, D. Thalwitz, J. Wood, S. Yang, & S. Carey, 2007). The authors used 3 experim...
The current study investigated the interaction of implicit grammatical gender and semantic category knowledge during object identification. German-learning toddlers (24-month-olds) were presented with picture pairs and heard a noun (without a preceding article) labeling one of the pictures. Labels for target and distracter images either matched or mismatched in grammatical gender and either mat...
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