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Participation in a mobile app survey to collect expenditure data as part of a large-scale probability household panel: coverage and participation rates and biases [journal article]
Source: Survey Research Methods, 13 (2019) 1. p.23-44
Respondent burden in a Mobile App: evidence from a shopping receipt scanning study [journal article]
Source: Survey Research Methods, 13 (2019) 1. p.45-71