Talks and presentations

Measuring Citizen’s Digital Behaviours Using Web Trackers and Data Donations

July 18, 2023

Short Course, European Survey Research Association (ESRA) conference, Milan, Italy

In this short course, I taught participants how to collect information about what people do online and on their digital devices using web trackers and data donations. Specifically, I showed them the current best practices to maximise the quality of the data, while producing transparent and robust research. Read more

Surveys or digital trace data, which one should we use? Using MultiTrait-MultiMethod models to simultaneously estimate the measurement quality of surveys and digital trace data

July 18, 2023

Talks, European Survey Research Association (ESRA) conference, Milan, Italy

It is important to understand the measurement quality of digital trace data. In this talk, I show and approach to assess the measruement quality of both digital trace data and surveys simultaneously, using MultiTrat-MultiMethod models Read more

New opportunities to enhance or extend (mobile) web survey data.

September 12, 2021

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

Answering mobile surveys with images: an exploration using a computer vision API

July 17, 2019

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

Worth a thousand words: Analyzing the impact of image recognition in surveys

March 01, 2018

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