Are `Webographic’ or attitudinal questions useful for adjusting estimates from Web surveys using propensity scoring?

by Matthias Schonlau, Arthur van Soest, Arie Kapteyn
Published 2007-12-01

Straightlining in Web survey panels over time

by Matthias Schonlau, Vera Toepoel
Published 2015-07-01

Collecting Genetic Samples in Population Wide (Panel) Surveys: Feasibility, Nonresponse and Selectivity

by Matthias Schonlau, Martin Reuter, Juergen Schupp, Christian Montag, Bernd Weber, Thomas Dohmen, Nico A. Siegel, Uwe Sunde, Gert G. Wagner, Armin Falk
Published 2010-09-01

Household survey panels: how much do following rules affect sample size?

by Matthias Schonlau, Nicole Watson, Martin Kroh
Published 2011-07-01

Semi-automated categorization of open-ended questions

by Matthias Schonlau, Mick P. Couper
Published 2016-08-01

Are Final Comments in Web Survey Panels Associated with Next-Wave Attrition?

by Cynthia McLauchlan, Matthias Schonlau
Published 2016-12-01