Introduction
The plummeting of response rates has been worrying survey designers and practitioners during the last decade. This phenomenon is not only affecting traditional methods like telephone surveys, but is also present in online research. These figures have raised doubts about the capacity of the industry to engage with new and old respondents. Different hypotheses and solutions have been proposed. For instance, some consider that these low numbers respond to bad survey designs. Others have proposed to make surveys more enjoyable, implementing gamification techniques. Although both hypotheses explain part of this phenomenon, we raise a different approach: surveys cannot be...