Composition (teaching of) ; Evaluation criterion (language teaching) ; ESP; English for academic purposes; EAP ; Academic language; Scientific language ; Classroom communication; Instructional communication ; Zweitspracherwerb (Textproduktion) ; Second language acquisition (text production) ; Text production (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