Tiffany D. Sheffield

Publications16
h-index11
Citations1,276
Highly Influential Citations84
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The structure of executive function in 3-year-olds.
Although the structure of executive function (EF) during adulthood is characterized by both unity and diversity, recent evidence suggests that preschool EF may be best described by a single factor.… Expand
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Separating the fish from the sharks: a longitudinal study of preschool response inhibition.
The development of response inhibition was investigated using a computerized go/no-go task, in a lagged sequential design where 376 preschool children were assessed repeatedly between 3.0 and 5.25… Expand
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Charting early trajectories of executive control with the shape school.
Despite acknowledgement of the importance of executive control for learning and behavior, there is a dearth of research charting its developmental trajectory as it unfolds against the background of… Expand
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Longitudinal associations between executive control and developing mathematical competence in preschool boys and girls.
Executive control (EC) is related to mathematics performance in middle childhood. However, little is known regarding how EC and informal numeracy differentially support mathematics skill acquisition… Expand
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Using confirmatory factor analysis to understand executive control in preschool children: sources of variation in emergent mathematic achievement.
Latent variable modeling methods have demonstrated utility for understanding the structure of executive control (EC) across development. These methods are utilized to better characterize the relation… Expand
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Executive control and dimensions of problem behaviors in preschool children.
BACKGROUND Despite the widespread recognition of the importance of executive control (EC) in externalizing psychopathology, the relation between EC and problem behavior has not been well… Expand
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Gaining control: changing relations between executive control and processing speed and their relevance for mathematics achievement over course of the preschool period
Early executive control (EC) predicts a range of academic outcomes and shows particularly strong associations with children's mathematics achievement. Nonetheless, a major challenge for EC research… Expand
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  • 4
Cognitive outcomes for extremely preterm/extremely low birth weight children in kindergarten.
Our objectives were to examine cognitive outcomes for extremely preterm/extremely low birth weight (EPT/ELBW, gestational age <28 weeks and/or birth weight <1000 g) children in kindergarten and the… Expand
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Underpinnings of the Costs of Flexibility in Preschool Children: The Roles of Inhibition and Working Memory
This study addressed the respective contributions of inhibition and working memory to two underlying components of flexibility, goal representation (as assessed by mixing costs) and switch… Expand
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Predictors of cognitive enhancement after training in preschoolers from diverse socioeconomic backgrounds
The association between socioeconomic status and child cognitive development, and the positive impact of interventions aimed at optimizing cognitive performance, are well-documented. However, few… Expand
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  • 3