Barb DiGi shares her created flowchart of a true bilingual model in her series on "No ASL Left Behind" (NALB) based on the interactions of both languages that lead to a higher cognitive thinking level. Deaf students can learn direclty from written English with the support of ASL which is considered the most effective method. It is evident that there is a strong relationship between ASL and reading. Reference: Rethinking Education of Deaf Students by Sue Livingston.
Reference: Rethinking Education of Deaf Students by Sue Livingston.