The present studies (N = 159) investigated children's and adults' preferences for label and property conjunctions for cross-classifiable toys. In Study 1, 4-year-olds, 5-year-olds, and adults participated in a labelling and property attribution task involving experimental toys that belong to two categories and control toys that belong to only one…

Brief, clinically feasible instruments are needed to assess autism spectrum disorder (ASD) in toddlers and preschoolers so that children can access early evidence-based intervention. Study purposes were to (1) compare scores on the 30-item Checklist for Autism Spectrum Disorder (CASD) and 6-item CASD-Short Form (CASD-SF) for toddlers and…

Data from elicited language tasks can add to the literature on the development of the complex syntax structures of embedded complement clauses in typically developing children. In the current study, preschool-age children (n = 27) participated in two elicited language tasks focusing on three types of embedded complement clauses: infinitival…

Current understanding of how culture relates to the development of children's gender-related peer preferences is limited. To investigate the role of societal acceptance of gender nonconformity, this study compared children from China and Thailand. Unlike China and other cultures where the conceptualization of gender as binary is broadly accepted,…

The ability to project oneself forward in time and imagine a future episode, known as episodic foresight (EpF), is an important aspect of future thinking. EpF tasks often involve children choosing an item for a future episode, yet the degree to which future projection is required to succeed -- versus memory or semantic associations -- has been…

Sleep is important for child development. Sleep problems in early childhood are associated with negative outcomes across numerous domains, including executive control, internalizing and externalizing psychopathology, and social competence (Astill et al., 2012; Hysing et al., 2016; Spruyt et al., 2019). Little research has focused on moderators…

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…

This study examined the impact of the lexical distance (spoken, modern standard Arabic-MSA, shared, and pseudo-words) on phonological awareness (PA) and naming speed (RAN). The data from this longitudinal study were obtained from 261 native Arabic-speaking kindergarteners, which were then followed to first grade. The data revealed a significant…

This study investigated the effect of moral stories on children's honesty during a temptation resistance paradigm in a large sample of 3 to 6-year-olds (N = 296). Both children and their parents were also asked to anticipate if a child vignette protagonist would confess to a minor misdeed and also to predict the consequences of this potential…

Purpose: This study investigated Icelandic-speaking children's acquisition of singleton consonants and consonant clusters. Method: Participants were 437 typically developing children aged 2;6-7;11 (years;months) acquiring Icelandic as their first language. Single-word speech samples of the 47 single consonants and 45 consonant clusters were…

Almost five million children attend preschool in the United States each year. Recent attention has been paid to the ways in which preschool classrooms shape children's early language development. This article discusses the importance of peers and classroom composition through the lens of age and socioeconomic status and the implications for…

Question asking plays a fundamental role in learning, and the cognitive development literature contains many studies of specific types of question-asking skills. However, little is known about the developmental course across different aspects of question asking, of which we explore: (a) the ability to ask questions that enable children to solve a…

This research examined longitudinal profiles for parental involvement in shared reading with children from age 2 to 6 years. Associations of the profiles with sociodemographics were explored, as well as associations with children's achievement in Year 3 at school. Data were drawn from "Growing Up in Australia: The Longitudinal Study of…

Prior work showed that infants look longer at impossible figures than possible ones, although it is unclear whether they or older children understand "impossibility." We employed a series of matching and sorting tasks with pictures and objects to evaluate children's knowledge of this dimension. In Experiment 1, nearly all children…

Background: Causes produce effects via underlying mechanisms that must be inferred from observable and unobservable structures. Preschoolers show sensitivity to mechanisms in machine-like systems with perceptually distinct causes and effects, but little is known about how children extend causal reasoning to the natural continuous processes studied…