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Yemen Mobile Phone Survey (Round 1 to 4)
Yemen has been in the midst of a forced displacement crisis since the conflict expanded in 2015. There was a large surge in internal displacement at the onset of violence, followed by continued displacement of new households. Given the magnitude of the problem and the fluidity of the crisis with households going in and out of displacement, the current data systems in the country are not equipped to fully gauge the needs of displaced populations in the country and a more robust data system needs to be developed. The World Bank’s objective of this activity has been to collect information on access to food and basic services for the population of Yemen. The research informs the ongoing and planned humanitarian and World Bank operations in Yemen and demonstrates the feasibility of identifying and surveying similar populations of interest through the applied approach, in contexts where field surveys are very difficult to perform.
Mindset performed two quantitative surveys with 1,500 households in total. Households were reached through a technique called Random Digit Dialing in the first round, which allows conducting general population studies through phone numbers where no own sample sources exist. A proportion of the households interviewed in the first survey were re-contacted for the second round, along with a new sample reached through RDD. For the second round of data collection, phone interviews were conducted with over 1,200 respondents. As requested by The World Bank, Mindset also carried out in-depth interviews to gain in-depth knowledge. Households from rounds 1 and 2 of the phone survey will be followed up through a panel survey for rounds 3 and 4. Mindset is responsible for the entire research preparation process, including reviewing, translating, testing, adapting, programming, and finalizing all tools to be used during data collection. Mindset also manages all aspects of survey implementation, including selection and training of field staff, logistics, supervision, and quality assurance.