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Tian, Jing; Dam, Su; Gunderson, Elizabeth A. – Developmental Psychology, 2022
Recently, there has been increasing evidence showing that males estimate whole numbers more accurately than females on the number line. However, relatively little is known about what factors contribute to this gender gap. The current study explored potential mediators of the gender difference in number line estimation, including spatial skills and…
Descriptors: Spatial Ability, Anxiety, Gender Differences, Numbers
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Anobile, Giovanni; Castaldi, Elisa; Turi, Marco; Tinelli, Francesca; Burr, David C. – Developmental Psychology, 2016
Considerable recent work suggests that mathematical abilities in children correlate with the ability to estimate numerosity. Does math correlate only with numerosity estimation, or also with other similar tasks? We measured discrimination thresholds of school-age (6- to 12.5-years-old) children in 3 tasks: numerosity of patterns of relatively…
Descriptors: Mathematics Skills, Children, Correlation, Computation
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Michel, George F.; Babik, Iryna; Sheu, Ching-Fan; Campbell, Julie M. – Developmental Psychology, 2014
Handedness for acquiring objects was assessed monthly from 6 to 14 months in 328 infants (182 males). A group based trajectory model identified 3 latent groups with different developmental trajectories: those with an identifiable right preference (38%) or left preference (14%) and those without an identifiable preference (48%) but with a…
Descriptors: Infants, Handedness, Child Development, Lateral Dominance
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Volbrecht, Michele M.; Goldsmith, H. Hill – Developmental Psychology, 2010
With a sample of 242 twins (135 girls, 107 boys) studied longitudinally, behavioral inhibition (BI) and inhibitory control (IC) measured at 3 years, as well as early and concurrent family process variables, were examined as predictors of shyness and of anxiety symptoms approximately 4 years later. Structured observational data from laboratory and…
Descriptors: Shyness, Inhibition, Children, Personality Traits