Evidence that the presence of orthography facilitates oral vocabulary learning in children with specific language impairment (SLI), children with autism spectrum disorders (ASD) and typically developing children (controls), from Ricketts et al. (2015) (tdtrust.org)
Computer speech - based remediation for reading disabilities: the size of spelling - to - sound unit in a transparent orthography. (semanticscholar.org)
Given that it is uncostly in terms of time and resources, emphasising orthography when teaching new words could readily be employed more frequently in practice. (tdtrust.org)