Two experiments investigated children's communicative perspective-taking ability. In Experiment 1, 4- to 5-year-old children were tested on two referential communication tasks, as well as on measures of inhibitory control, working memory, and cognitive flexibility. Results document children's emergent use of the perspective of their speaking partner to guide their communicative behaviors in both a production and comprehension task. In Experiment 2, 3- to 4-year-old children used a speaker's perspective to guide their interpretation of instructions. In both experiments, egocentric interpretations of speaker requests were negatively correlated with children's inhibitory control skills. Results of these studies demonstrate that young children can differentiate between information that is accessible to the speaker versus privileged knowledge, and use this information to guide their communicative behaviors. Furthermore, the results suggest that children's inhibitory control skills allow them to inhibit their own perspective, enabling them to make use of their communicative partner's perspective.
Processing of facial expressions has been shown to potentiate orienting of attention toward the direction signaled by gaze in adults, an important social-cognitive function. However, little is known about how this social attention skill develops. This study is the first to examine the developmental trajectory of the gaze orienting effect (GOE), its modulations by facial expressions, and its links with theory of mind (ToM) abilities. Dynamic emotional stimuli were presented to 222 participants (7-25 years old) with normal trait anxiety using a gaze-cuing paradigm. The GOE was found as early as 7 years of age and decreased linearly until 12-13 years, at which point adult levels were reached. Both fearful and surprised expressions enhanced the GOE compared with neutral expressions. The GOE for fearful faces was also larger than for joyful and angry expressions. These effects did not interact with age and were not driven by intertrial variance. Importantly, the GOE did not correlate with ToM abilities as assessed by the "Reading the Mind in the Eyes" test. The implication of these findings for clinical and typically developing populations is discussed.
Four-year-olds were asked to assess an adult listener's knowledge of the location of a hidden sticker after the listener was provided an ambiguous or unambiguous description of the sticker location. When preschoolers possessed private knowledge about the sticker location, the location they chose indicated that they judged a description to be unambiguous even when the message was ambiguous from the listener's perspective. However, measures of implicit awareness (response latencies and eye movement measures) demonstrated that even when preschoolers had private knowledge about the sticker location, ambiguous messages led to more consideration of an alternative location and longer response latencies than unambiguous messages. The findings demonstrate that children show sensitivity to linguistic ambiguity earlier than previously thought and, further, that they can detect linguistic ambiguity in language directed to others even when their own knowledge clarifies the intended meaning.
Using a longitudinal design, preschoolers' appreciation of a listener's knowledge of the location of a hidden sticker after the listener was provided with an ambiguous or unambiguous description was assessed. Preschoolers (N=34) were tested at 3 time points, each 6 months apart (4, 4½, and 5 years). Eye gaze measures demonstrated that preschoolers were sensitive to communicative ambiguity, even when the situation was unambiguous from their perspective. Preschoolers' explicit evaluations of ambiguity were characterized by an initial appreciation of message clarity followed by an appreciation of message ambiguity. Children's inhibitory control skills at 4 years old related to their explicit detection of ambiguity at later ages. Results are discussed in terms of the developmental progression of preschoolers' awareness of communicative ambiguity.
Executive functioning (EF) facilitates the development of academic, cognitive, and social-emotional skills and deficits in EF are implicated in a broad range of child psychopathologies. Although EF has clear implications for early development, the few questionnaires that assess EF in preschoolers tend to ask parents for global judgments of executive dysfunction and thus do not cover the full range of EF within the preschool age group. Here we present a new measure of preschoolers' EF-the Ratings of Everyday Executive Functioning (REEF)-that capitalizes on parents' observations of their preschoolers' (i.e., 3- to 5-year-olds) behavior in specific, everyday contexts. Over 4 studies, items comprising the REEF were refined and the measure's reliability and validity were evaluated. Factor analysis of the REEF yielded 1 factor, with items showing strong internal reliability. More important, children's scores on the REEF related to both laboratory measures of EF and another parent-report EF questionnaire. Moreover, reflecting divergent validity, the REEF was more strongly related to measures of EF as opposed to measures of affective styles. The REEF also captured differences in children's executive skills across the preschool years, and norms at 6-month intervals are reported. In summary, the REEF is a new parent-report measure that provides researchers with an efficient, valid, and reliable means of assessing preschoolers' executive functioning. (PsycINFO Database Record
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