Identifying children with developmental disabilities is critical in providing early intervention services. This study aimed to evaluate the concurrent validity information of the 24-, 30-, and 36-month Indonesian Ages and Stages Questionnaires third edition (ASQ-3) with Bayley Scales of Infant and Toddler Development 3rd Edition (BSID-III) in…

Memory decision-making in 26- to 32-month-olds was investigated using visual-paired comparison paradigms, requiring toddlers to select familiar stimuli (Active condition) or view familiar and novel stimuli (Passive condition). In Experiment 1 (N = 108, 54.6% female, 62% White; replication N = 98), toddlers with higher accuracy in the Active…

Children with delays in expressive language (late talkers) have heterogeneous developmental trajectories. Some are late bloomers who eventually "catch-up," but others have persisting delays or are later diagnosed with developmental language disorder (DLD). Early in development it is unclear which children will belong to which group. We…

The present study examined what kind of parenting best supports toddlers' self-control in the context of poverty. Parents and toddlers (52% female; M[subscript age] = 2.60 years) in 117 families (35% White, 25% Black, 22% Latinx, 15% Multiracial, and 3% Asian; M family income = $1,845/month) engaged in structured interaction tasks, and toddlers…

Autism spectrum disorder (ASD) frequently co-occurs with additional symptoms of psychopathology and challenging behaviors. While aggressive behaviors are often associated with attention deficits and hyperactivity in children with ASD, there is limited research on the impact that inattention/impulsivity and aggressive behaviors have on the…

Background: Parent-child interaction therapy (PCIT) is an evidence-based approach typically used for children aged 2-7 with externalizing disorders. Research suggests that PCIT is effective in treating a broad range of populations and problems. Several adaptations of PCIT have been developed for its use with children younger than the age of 2,…

This study investigates the influence of semantic maturation on early lexical development by examining the impact of contextual diversity--known to influence semantic development--on word promotion from receptive to productive vocabularies (i.e., comprehension-expression gap). Study 1 compares the vocabularies of 3685 American-English-speaking…

Assessing children's working memory capacity (WMC) can be challenging for a variety of reasons, including the rapid increase in WMC across early childhood. Here, we developed and piloted an adapted WMC task, which involved minimal equipment, could be performed rapidly, and did not rely on verbal production ability (to facilitate the use of the…

This research takes a dyadic approach to study early word learning and focuses on toddlers' (N = 20, age: 17-23 months) "information seeking" and parents' "information providing" behaviors and the ways the two are coupled in real-time parent-child interactions. Using head-mounted eye tracking, this study provides the first…

Infants show shifting patterns of visual engagement to faces over the first years of life. To explore the adaptive implications of this engagement, we collected eye-tracking measures on cross-sectional samples of 10-25-month-old typically developing toddlers (TD;N = 28) and those with autism spectrum disorder (ASD;N = 54). Concurrent language…

Research Findings: Reading e-books is becoming common even among toddlers, but we have limited understanding of how parents-toddlers reading e-books together compares to print books. To address the gap, we investigated interactions of 30 mother-toddler (12 months) dyads, in particular, mothers' language use, while reading both electronic and print…

Although there have been calls in the early childhood field for effective approaches to preparing the workforce to support optimal early child development, there is a gap in understanding how different types of professional development predict teachers' beliefs about children and their self-reported classroom practices. Using the National Survey…

This experiment tests the age at which left-to-right spatial associations found in infancy shift to culture-specific spatial biases in later childhood, for both numerical and non-numerical information. Children ages 1-5 years (N = 320) were tested within an eye-tracking paradigm which required passive viewing of a video portraying a spatial…

In order for children to understand and reason about the world in an adult-like fashion, they need to learn that conceptual categories are organized in a hierarchical fashion (e.g., a dog is also an animal). While children learn from their first-hand observation of the world, social knowledge transmission via language can also play an important…

This article presents data on lexical development of 881 Israeli Hebrew-speaking monolingual toddlers ages 1;0 to 2;0. A Web-based version of the Hebrew MacArthur-Bates Communicative Development Inventories (H-MB-CDI) was used for data collection. Growth curves for expressive vocabulary, receptive vocabulary, actions and gestures were…