The Development of the Mental Representations of the Magnitude of Fractions

Florence Gabriel, Denes Szucs, Alain Content

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)


    We investigated the development of the mental representation of the magnitude of fractions during the initial stages of fraction learning in grade 5, 6 and 7 children as well as in adults. We examined the activation of global fraction magnitude in a numerical comparison task and a matching task. There were global distance effects in the comparison task, but not in the matching task. This suggests that the activation of the global magnitude representation of fractions is not automatic in all tasks involving magnitude judgments. The slope of the global distance effect increased during early fraction learning and declined by adulthood, demonstrating that the development of the fraction global distance effect differs from that of the integer distance effect.

    Original languageEnglish
    Article numbere80016
    Pages (from-to)Article: e80016
    Number of pages14
    JournalPLoS One
    Issue number11
    Publication statusPublished - 13 Nov 2013


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