Umfragen als Orientierungshilfe: Die hohe Kunst der Meinungsforscher – Wie arbeiten Demoskopen?
Umfragen als OrientierungshilfeHintergrundGerade in Wahlkampfzeiten werden die neuesten Hochrechnungen der Forschungsinstitute mit Spannung erwartet. Doch wann gelten Umfragen als repräsentativ? Und welche Schwierigkeiten bestehen dabei?
Bis in die 2000er Jahre führten Meinungsforscher ihre Befragungen zum größten Teil persönlich durch. Heute finden die meisten Erhebungen am Telefon oder online statt.
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