Authors Marina Salas, Amanda Fernández-Fontelo, Eva Martínez-Nevado, Jesús Fernández-Morán, Agustín López-Goya, and Xavier Manteca Year of Publication 2021 Publisher Animals : an open access journal from MDPI Volume 11 Issue 7 Number 2073 DOI https://doi.org/10.3390/ani11072073 ← Predicting Question Difficulty in Web Surveys: A Machine Learning Approach Based on Mouse Movement Features → Detecting Respondent Burden in Online Surveys: How Different Sources of Question Difficulty Influence Cursor Movements