1. “Estimates of induced abortion in urban North Carolina.”;Abernathy;Demography,1970
2. The Authoritarian Personality;Adorno,1950
3. The Technique of Marketing Research;American Marketing Association,1937
4. “Response bias, yea-saying and the double negative.”;Arndt;Journal of Marketing Research,1975
5. Verzerrungen im interview: Zu einer fehlertheorie der Befragung;Atteslander,1975