R. Porst

A Description of the German General Social Survey Test-Retest Study and a Report on the Stabilities of the Sociodemographic Variables

R. Porst, Klaus Zeifang, 1987 .

Interviewers' Deviations in Surveys : Impact, Reasons, Detection and Prevention

R. Porst, P. Winker, N. Menold, 2013 .

Comparisons of Subgroups by Models with Multiple Indicators

P. Schmidt, R. Porst, Klaus Zeifang, 1987 .

[Language barriers in the care for pediatric immigrant patients -- results of a pilotstudy among pediatricians in Germany].

R. Porst, T. Ostermann, K. Schaper, 2013, Klinische Padiatrie.

Nonresponse in survey research: proceedings of the Eighth International Workshop on Household Survey Nonresponse, 24-16 September 1997

Methoden und Analysen Zuma Zentrum für Umfragen, R. Porst, Achim Koch, 1998 .