With the world-wide spread of the internet in the 1990s, the conduction of web or e-mail surveys became popular in research. Although these surveys provide fast data collection and reduced costs, results may suffer from biases due to the survey mode. While a variety of studies concerning mode...

This paper focuses on fraud detection in surveys using Socio-Economic Panel (SOEP) data as an example for testing newly methods proposed here. A statistical theorem referred to as Benford's Law states that in many sets of numerical data, the significant digits are not uniformly distributed, as...

Inhalt: METHODISCH KONZEPTIONELLE BEITRÄGE (u. a. Habich, Roland: Objektive und subjektive Indikatoren - Ein Vorschlag zur Messung des Wandels von Lebenslagen). - HAUSHALTSBEZOGENE ANALYSEN ZU INNERFAMILIALER ARBEITSTEILUNG, BILDUNG, LEBENSFORMEN UND WOHNEN (u. a. Binder, Marion/Wagner, Gert:...