Reprints ; Second language acquisition (language teaching) ; Zweitspracherwerb (Unterricht) ; Foreign language teaching ; DaF; Deutsch als Zweitsprache; German as a second language; DaZ; German as a foreign language ; Fremdsprachenunterricht (Grundschule) ; Foreign language teaching (elementary school) ; Modern Languages at Primary School; Kindergarten (Fremdsprachenunterricht) ; Kindergarten (foreign language teaching) ; Vorschule (Fremdsprachenunterricht) ; Nursery school (foreign language teaching) ; Preschool (foreign language teaching) ; Elementary school (foreign language teaching) ; English as a second language; ESL; TESOL ; Lehrgrammatik; Unterrichtsgrammatik; Pädagogische Grammatik; Didaktische Grammatik; Schulgrammatik; Pedagogic grammar; Grammar (teaching of) ; Glottodidaktik; Lehrforschung; Pädagogische Linguistik; Pedagogical linguistics; Language teaching research ; Verständlichkeit, wechselseitige (Sprachkontakt) ; Sprachdistanz; Linguistic distance; Distance (linguistic) ; Speech intelligibility (languages in contact) ; Bilingual education ; German
