An empirical study of how much a social robot increases the rate of valid responses in a questionnaire survey. - Taiga Natori; Takamasa Iio (RO-MAN, 2021)

Impact of Table-Top Robots on Questionnaire Response Rates at a Science Museum. - Taiga Natori; Takamasa Iio; Yuichiro Yoshikawa; Hiroshi Ishiguro (Int. J. Soc. Robotics, 2025)