Evaluation criterion (language teaching) ; Schrifterwerb (gesteuerter) ; Schriftspracherwerb (gesteuerter) ; Alphabetisierungsunterricht; Literacy (teaching of) ; Written language instruction ; ASL; American Sign Language ; Gebärdensprache (Lexikon) ; Sign language lexicon ; Deaf education; Bicultural education (Deaf education) ; Bilingual education (Deaf education) ; Kommunikationshilfen; Augmentative and alternative communication; AAC; Communication augmentation ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English