TY - JOUR AU - Rinken, Sebastian AU - Domínguez-Álvarez, Juan-Antonio AU - Trujillo, Manuel AU - Lafuente, Regina AU - Sotomayor, Rafaela AU - Serrano-del-Rosal, Rafael PY - 2020/06/02 Y2 - 2024/03/28 TI - Combined mobile-phone and social-media sampling for web survey on social effects of COVID-19 in Spain JF - Survey Research Methods JA - SRM VL - 14 IS - 2 SE - Research initiatives DO - 10.18148/srm/2020.v14i2.7733 UR - https://ojs.ub.uni-konstanz.de/srm/article/view/7733 SP - 165-170 AB - <div class="page" title="Page 1"><div class="section"><div class="layoutArea"><div class="column"><p>To minimize coverage and participation biases, this web survey adopted two complementary sampling strategies: (a) SMS invitations to random-number mobile phones, and (b) Internet advertisements targeting specific sociodemographic groups. This combination of aleatory selection from a rather comprehensive sampling frame, on one hand, and responsive definition of target profiles, on the other, largely succeeded in adjusting the sample to relevant population parameters, albeit with the noteworthy exception of education level.</p></div></div></div></div> ER -