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The Powers of Noise-Fitting: Reply to Barth and Paladino
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Opfer, John E.; Siegler, Robert S.; Young, Christopher J. – Developmental Science, 2011
Barth and Paladino (2011) argue that changes in numerical representations are better modeled by a power function whose exponent gradually rises to 1 than as a shift from a logarithmic to a linear representation of numerical magnitude. However, the fit of the power function to number line estimation data may simply stem from fitting noise generated…
Descriptors: Numbers, Computation, Models, Prediction
Ontogeny of Manipulative Behavior and Nut-Cracking in Young Tufted Capuchin Monkeys ("Cebus Apella"): A Perception-Action Perspective
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de Resende, Briseida Dogo; Ottoni, Eduardo B.; Fragaszy, Dorothy M. – Developmental Science, 2008
How do capuchin monkeys learn to use stones to crack open nuts? Perception-action theory posits that individuals explore producing varying spatial and force relations among objects and surfaces, thereby learning about affordances of such relations and how to produce them. Such learning supports the discovery of tool use. We present longitudinal…
Descriptors: Spatial Ability, Prediction, Social Influences, Infants
Infant Social Attention Predicts Preschool Social Cognition
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Wellman, Henry M.; Phillips, Ann T.; Dunphy-Lelii, Sarah; LaLonde, Nicole – Developmental Science, 2004
Recent research examining infants' understanding of intentional action claims to be studying the early origins or precursors of children's later theories of mind. If these infant understandings are continuous with later preschool achievements, there should be empirical connections between the two. We provide initial evidence that infants' social…
Descriptors: Infants, Social Cognition, Cognitive Development, Preschool Education