Schichtenspezifischer Sprachgebrauch; Barrierefreiheit (Kommunikationsforschung) ; Communication access; Communication barrier; Language barrier ; Screening (speech therapy) ; Assessment criterion (speech therapy) ; Language intervention; Children (speech therapy with) ; Speech therapy for children ; Mundartforschung; Dialectology ; German ; Switzerland (German language in) ; Schweiz (dt. Sprache in der) ; Deutsch in der Schweiz; German in Switzerland; Swiss German