The “Proyecto Mi Barrio” research project based in Medellín, Colombia conducted phone surveys over a one-month period during the COVID-19 pandemic. The survey aimed to analyze how organized crime groups were responding to the pandemic. To ensure that the sample was representative of the full set of neighborhoods, or barrio, the project used quota sampling, where a set number of respondents from each neighborhood was targeted to be surveyed. The research team fully automated this process in SurveyCTO to reduce sources of error. 
, Cristian David CereroJuan Pablo Mesa
Publication type: 
Phone Survey Methods Resource
Date: 
January 25, 2021
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