<p><span style="color: #000000;" data-mce-style="color: #000000;"> Aßmann, Christian & Würbach, Ariane & Goßmann, Solange & Geissler, Ferdinand & Bela, Anika (accepted): <em>Nonparametric multiple imputation for questionnaires with individual skip patterns and constraints: The case of income imputation in the National Educational Panel Study</em>, Sociological Methods and Research.<br> </span></p><p><span style="color: #000000;" data-mce-style="color: #000000;">Aßmann, Christian & Würbach, Ariane & Goßmann, Solange & Geissler, Ferdinand & Biedermann, Anika (2014): <em>A nonparametric multiple imputation approach for multilevel filtered questionnaires</em>, NEPS Working Paper No. 36, Bamberg: Leibniz Institute for Educational Trajectories (LIfBi), National Educational Panel Study (NEPS).</span></p><p><span style="color: #000000;" data-mce-style="color: #000000;"><br> </span></p>