Writing development is understood to be a multidimensional task, heavily constrained by spelling in its early stages. However, most available evidence comes from studies with learners of the inconsistent English orthography, so our understanding of the nature of early writing could be highly biased. We explored writing dimensions in each language…

Alternative models of the structure of individual and developmental differences of written composition and handwriting fluency were tested using confirmatory factor analysis of writing samples provided by first- and fourth-grade students. For both groups, a five-factor model provided the best fit to the data. Four of the factors represented…