Instruction (medium of) ; Medium of instruction ; Spracherwerb (Schriftsprache) ; Language acquisition (written language) ; Kindersprache (Schriftsprache) ; Child language (written language) ; Schrifterwerb (psycholing.) ; Written language acquisition (psycholing.) ; Spelling (psycholing.) ; Coding (psycholing., graphem.) ; Kodierung (psycholing., graphem.) ; Writing (psycholing.) ; Dual language acquisition; Bimodal language acquisition; Spracherwerb (biling.) ; Language acquisition (biling.) ; Bilingual language acquisition ; Speech perception (biling.) ; Sprachperzeption (biling.) ; Bilingual speech production/perception; Zweisprachige Sprachproduktion/Sprachperzeption; Language processing (biling.) ; Sprachverständnis (biling.) ; Speech production/speech perception (biling.) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; Chicano; Puertoricans; USA (span. Sprache in den) ; Mexican American Spanish; USA (Spanish language in the) ; Spanglish; Inglañol; Tex-Mex; Spanish in the USA