Conference, 78th American Association for Public Opinion Research (AAPOR) conference, Philadelphia, USA
This presentations explores the prevalence of tracking undercoverage on metered data research, and its potential for introducing bias to both univariate and multivariate estimates Read more
Invited lecture, Attest, London, UK
In this invited lecture I introduced the opportunities and challenges that new data collection approaches bring to consumer research platforms Read more
Invited lecture, Summer Institute in Computational Social Sciences - Oxford, Oxford, UK
In this invited lecture I introduced students to the basics of nonprobability online surveys, and the opportunities and challenges that new data collection approaches bring to social science research Read more
Conference, 77th American Association for Public Opinion Research (AAPOR) conference, Chicago, USA
This presentations explores the convergent and predictive validity of news media exposure measurements created with metered data Read more
Conference, 77th American Association for Public Opinion Research (AAPOR) conference, Chicago, USA
This presentations explores the prevalence of tracking undercoverage on metered data research, and its potential for introducing bias to both univariate and multivariate estimates Read more
Invited Talk, Seminar series in Statistic at Örebro University School of Business (Sweden), Sweden (Online)
In this presentation I discussed some of the new opportunities that sensors, apps and web tracking approaches bring to the survey research field, as well as the challenges that we have identified so far Read more
Invited Talk, Institue of Social and Economic Research (ISER) Method Research Group seminar series, Online
In this invited talk I discussed some of the current main challenges that researchers face when trying to collect web tracking data to measure online behaviours Read more
Workshop, 2nd Mobile Apps and Sensors in Surveys (MASS) Workshop, Utrecht, Netherlands (online)
This presentations presents a theoretical discussion about the potential challenges for web tracking data of not tracking all devices, browsers and networks that participants use to visit the internet, when making inferences about online behaviours Read more
Conference, 20th General Online Research (GOR) conference, Berlin, Germany (online)
This presentations presents an experiment exploring the impact of using images to answer web survey questions on break-off, item nonresponse, completion time, and question evaluation Read more
Conference, 8th Conference of the European Survey Research Association (ESRA), Zagreb, Croatia
This presentations explores the viability of asking respondents of an online opt-in panel to answer open-ended questions by taking and uploading photos. In addition, it discusses the feasibility of using the Google Vision application programming interface (API) to obtain valuable information from those photos. Read more
Conference, 8th Conference of the European Survey Research Association (ESRA), Zagreb, Croatia
In this presentation I establish the impact of motivational messages in web surveys on data quality, using an experiment conducted in waves 2, 4 and 6 of the CROss-National Online Survey (CRONOS) panel Read more
Congress, 1st Spanish European Social Survey Congress, Madrid, Spain
Using a Split-Ballot Multitrait-Multimethod experiment conducted in the European Social Survey round 8, I explored the quality of questions in Spain with the one in other participating countries Read more
Workshop, 5th Workshop on Political Behaviour and Public Opinion (JCPOP), Barcelona, Spain
This talk present the results of an experiment exploring if the response format affects the self-placement of respondents in a question avout their self-right ideology . Read more
Conference, 20th General Online Research (GOR) conference, Cologne, Germany
This presentations explores the viability of asking respondents of an online opt-in panel to answer open-ended questions by taking and uploading photos. In addition, it discusses the feasibility of using the Google Vision application programming interface (API) to obtain valuable information from those photos Read more
Conference, 70th conference of the European Society of Opinion and Marketing Research (ESOMAR), Amsterdam, The Netherlands
In this presentations I discussed the oportunities of using voice input options to answer web surveys
Conference, 7th conference of the European Survey Research Association (ESRA), Lisbon, Portugal
In this presentation I shown how emojis can be used in mobile web surveys, in particular in open-ended questions, and how their use can affect data quality, completion time, and survey evaluation. Read more