“…Classification and etiology (including genetic and neurobiological correlates) of disabilities impacting handwriting, spelling and composition should include an examination of comorbid conditions, which deserves increased attention (e.g., Berninger, Abbott, Thomson, & Raskind, 2001;Fletcher, Lyon, Fuchs, & Barnes, 2007;Grigorenko, 2007;Hooper, 2002;Pugh et al, 2006), as do approaches to preventing and remediating learning disabilities that impact writing (e.g., Fletcher et al, 2007;Hooper, Wakely, de Kruif, & Swartz, 2006;Rogers & Graham, 2008). The historic need to determine for whom an instructional approach or intervention will work will become increasingly important as the number of English Language Learners increases and as educators seek to more effectively address the literacy needs of diverse learners (e.g., Fitzgerald, 2006).…”