Even Early Representations of Numerical Magnitude are Spatially Organized : Evidence for a Directional Magnitude Bias in Pre-Reading Preschoolers

@inproceedings{Opfer2006EvenER,
  title={Even Early Representations of Numerical Magnitude are Spatially Organized : Evidence for a Directional Magnitude Bias in Pre-Reading Preschoolers},
  author={John Opfer},
  year={2006}
}
Previous work has suggested that an important tool of adult numeric competence is a “mental number line” that codes increasing numeric magnitudes spatially and with a directional bias. Partly because the direction of this bias (leftto-right versus right-to-left) is culture-specific, it has been assumed that a directionally-biased mental number line is a late development. Our results, in contrast, suggest that nearly half of all preschoolers possess a directional magnitude bias and that those… CONTINUE READING

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