Income and Expenditure

2021 Family Income and Expenditure Survey adopts Computer-Aided Personal Interview (CAPI) in data collection

The 19th series of the Family Income and Expenditure Survey (FIES) this 2021 uses, for the first time, a technology-enabled platform to have a more efficient data collection system in line with the Fourth Industrial Revolution’s rapid pace of change (velocity), scope, and broad impacts. The Computer Aided Personal Interviewing (CAPI) system replaces the traditional Paper and Pencil Interviewing (PAPI) used in previous survey rounds of the FIES. In using the CAPI system, there is no need for manual encoding of data obtained through paper questionnaires; easier facilitation of data cleaning; and certain consistency checks, skipping patterns, as well as error detection are already embedded. These features serve as safeguard to data quality and significantly reduce the survey’s timetable of operations.


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