Defining developmental progressions can be an important step in identifying developmental precursors and mechanisms of change, within and across areas of reasoning. In one exploratory study, we examine whether the development of children's thinking about ownership follows a systematic progression wherein some components emerge reliably before…

Recently, several studies have suggested that metacognition emerges early in infancy and toddlerhood. However, to date, the developmental trajectory of these early metacognitive monitoring and control processes and their influence on children's later memory functioning remains poorly understood. The aim of this study was to longitudinally document…

During everyday conversations, young children are often challenged with the task of correctly identifying the referent of novel words. What is their primary aim when they try to do so? We propose that by being motivated to successfully participate in communicative interactions, children primarily aim at comprehending what the speaker intends to…

Some work demonstrates toddlers show preferences in targets of their prosocial behavior, and a number of theorists have argued that young children become increasingly likely to direct their prosocial behavior to ingroup over outgroup targets with development. The goal of this study was to examine whether toddlers' early helping, sharing, and…

A talking face provides redundant cues on the mouth that might support language learning and highly salient social cues in the eyes. What drives children's looking toward the mouth versus eyes of a talking face? This study reports data from 292 children who viewed faces speaking English, French, and Russian. We investigated the impact of…

The current study examined the relations between individual differences in attention to emotion faces and temperamental negative affect across the first 2 years of life. Infant studies have noted a normative pattern of preferential attention to salient cues, particularly angry faces. A parallel literature suggests that elevated attention bias to…

Young children who hear more child-directed speech (CDS) tend to have larger vocabularies later in childhood, but the specific characteristics of CDS underlying this link are currently underspecified. The present study sought to elucidate how the structure of language input boosts learning by investigating whether repetition of object labels in…

Children ages 18 and 24 months were assessed for the ability to understand and learn from an adult's nonverbal expression of agreement and disagreement with a speaker's claims. In one type of communicative exchange, a speaker made 2 different claims about the identity or location of an object. The hearer nodded her head in agreement with one claim…

Research has demonstrated that children use different strategies to infer a referent. One of these strategies is to use inflectional morphology. We present evidence that toddlers learning Spanish are capable of using gender word inflections to infer word reference. Thirty-month-olds were tested in a preferential looking experiment. Participants…

The present article investigates spatial- and social-cognitive processes in toddlers' mapping of concepts to real-world events. In 2 studies we explore how event segmentation might lay the groundwork for extracting actions from the event stream and conceptually mapping novel verbs to these actions. In Study 1, toddlers demonstrated the ability to…

Researchers know little about whether very young children can recognize objects originally introduced to them in a picture book when they encounter similar looking objects in various real-world contexts. The present studies used an imitation procedure to explore young children's ability to generalize a novel action sequence from a picture book to…

The present work documents how the logic of a model's demonstration and the communicative cues that the model provides interact with age to influence how children engage in social learning. Children at ages 12, 18, and 24 months (n = 204) watched a model open a series of boxes. Twelve-month-old subjects only copied the specific actions of the…

This study investigated novel word acquisition by 18- and 24-month-old children in the context of adult referential behavior independent of variations in salience. Findings suggest that 24-month olds use referential intent of the speaker to learn new words, but when learning, they may have a less secure grasp on the meaning of speakers'…

Three experiments tested 21- and 27-month olds' ability to construct a path to a mentally re-presented goal. After seeing the goal-state configuration of problems, both age groups evinced planning. Demonstration of initial solution step was less effective than goal-state exposure. Even with specification of a greater proportion of the goal path,…

Two experiments examined toddlers' ability to use cues to infer meaning of novel action words. Toddlers were taught labels for similar or dissimilar pairs of videotaped actions, with behavioral cues or eye gaze related to agents' intentions distinguishing similar events. Results showed that in year 2, children begin to consider…