Providing information about oneself in response to a questionnaire, survey, etc.
2019, Li Huang, James Lambert, “Another Arrow for the Quiver: A New Methodology for Multilingual Researchers”, in Journal of Multilingual and Multicultural Development, →DOI, page 9:
However, one abiding weakness with such data collection is that people’s beliefs about their speech habits may not necessarily tally with reality. In fact, the problem of self-reporting in data collection is universally acknowledged.
