Abstract
The study reported here examined grade 2–4 children’s sensitivity to the consistency in the spelling of roots in related words. We build on earlier research by attempting to quantify the extent that children’s spellings of both inflected and derived forms accord with this principle. We contrasted children’s accuracy and consistency in spelling the root form (e.g., rock) with that of its spelling in related inflected and derived forms (e.g., rocks and rocky), as well as unrelated control forms (e.g., rocket). Across grades 2–4, children’s spellings accorded with the root consistency principle to the same extent for inflected and derived forms. Nevertheless, it was not until grade 4 that spellings maximally reflected the principle. These results are discussed in terms of how children’s spelling might come to reflect the root consistency principle that guides spelling in English.
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Notes
If the word included a consonant doublet (as in winner), we accepted spellings of the root with and without a doublet as correct. We did so for all items within the quadruple set to ensure that appreciation of orthographic regularities did not influence results (as in Deacon, 2008).
Analyses by items, conducted with an analysis of variance with Grade as the within-subjects variable and Word Type as the within-subjects factor, revealed a main effect of Grade (F2 (2, 56) = 141.93, p < 0.001). Post-hoc tests revealed that grade 3 scored significantly higher than grade 2 and than that grade 4 scored significantly higher than grade 3. There was also a strong trend towards a main effect of Word Type (F2 (3, 28) = 2.19, p = 0.11) that did not interact with Grade (F2 (6, 56) = 0.66, p = 0.68). Analyses of the main effect of Word Type showed that scores were significantly higher in the base condition than in the control condition (p < 0.01). There were trends for scores to be higher for the inflected and derived conditions (p = 0.09 and p = 0.16, respectively) than for the control condition. There was a similar tendency, that did not approach significance, for the scores to be higher for the base than for the inflected and derived conditions (p = 0.47 and p = 0.45, respectively). There was no tendency towards a difference between the inflected and derived conditions (p = 0.90). It is not surprising that these analyses did not always achieve significance, given that the analyses by items had substantially lower power than the analyses by participants.
Analyses by items revealed a main effect of Grade (F2 (2, 42) = 74.88, p < 0.001), with post-hoc tests showing that grade 3 scored significantly higher than grade 2 and grade 4 performed significantly higher than grade 3. There was also a main effect of Word Type (F2 (2, 21) = 4.79, p = 0.02) that did not interact with Grade (F2 (4, 42) = 0.63, p = 0.60). Post-hoc Tukey analyses of the Word Type effect showed that scores were higher for the inflected and derived conditions than for the control condition.
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Deacon, S.H., Dhooge, S. Developmental stability and changes in the impact of root consistency on children’s spelling. Read Writ 23, 1055–1069 (2010). https://doi.org/10.1007/s11145-009-9195-5
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DOI: https://doi.org/10.1007/s11145-009-9195-5