GFTA ; Techniques (in research) ; Research techniques ; Kindersprache (pathol.) ; Child language (pathol.) ; Specific language impairment; SLI; Dysgrammatismus (Kindersprache) ; Dysgrammatism (child language) ; Handicapped language acquisition ; Dual language acquisition; Bimodal language acquisition; Spracherwerb (biling.) ; Language acquisition (biling.) ; Bilingual language acquisition ; Bilingual aphasia; Speech pathology (biling.) ; Deviation (pathol.) ; Screening (speech therapy) ; Assessment criterion (speech therapy) ; Pluricentric language ; Allophone ; Malaysia (engl. Sprache in) ; Malaysia (English language in) ; Manglish; English in Malaysia ; Mandarin; Kantonesisch; Cantonese; Putonghua; Sinitic; Hakka; Yue; Chinese