Improving consumption measurement and other survey data through CAPI: Evidence from a randomized experiment

Publication year: 2011 Source: Journal of Development Economics, Available online 8 December 2011 Bet Caeyers, Neil Chalmers, Joachim De Weerdt This paper reports on a randomized survey experiment among 1840 households, designed to compare pen-and-paper interviewing (PAPI) to computer-assisted personal interviewing (CAPI). We find that PAPI data contain a large number of errors, which can be avoided in CAPI. We show that error counts are not randomly distributed across the sample, but are correlated with household characteristics, potentially introducing sample bias in analysis if dubious observations need to be dropped.

Publication year: 2011 Source: Journal of Development Economics, Available online 8 December 2011 Bet Caeyers, Neil Chalmers, Joachim De Weerdt This paper reports on a randomized survey experiment among 1840 households, designed to compare pen-and-paper interviewing (PAPI) to computer-assisted personal interviewing (CAPI). We find that PAPI data contain a large number of errors, which can be avoided in CAPI. We show that error counts are not randomly distributed across the sample, but are correlated with household characteristics, potentially introducing sample bias in analysis if dubious observations need to be dropped.

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Improving consumption measurement and other survey data through CAPI: Evidence from a randomized experiment