TY - CHAP A1 - Brüderl, J. A1 - Huyer-May, B. A1 - Schmiedeberg, C. T1 - Interviewer Behaviour and the Quality of Social Network Data Y1 - 2013 A3 - Winker, P. A3 - Menold, N. A3 - Porst, R. T2 - Survey Standardization and Interviewers’ Deviations – Impact, Reasons, Detection and Prevention CY - Frankfurt am Main PB - PL Academic Research ER -