ASL; American Sign Language ; Gebärdensprache (Zweitspracherwerb) ; Sign language (second language acquisition) ; Sign language (language teaching) ; Gebärdensprache (Sprachunterricht) ; Second language acquisition (sign language) ; Frequency (pragm.) ; Gesture communication ; Interference (pragm.) ; Transfer (second language acquisition) ; Transfer (Zweitspracherwerb) ; Cross-linguistic influence (second language acquisition) ; Interference (second language acquisition) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; French ; Italian ; Spanish
