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The South Sudan Experimental Phone Survey: Experiences and Lessons. Gabriel Demombynes April 20. 2011 Workshop on “More Frequent, More Timely & More Comparable Data for Better Results”. Outline. Why? How? What Worked? What Didn’t Work? Lessons for the Future. Why?.
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The South Sudan Experimental Phone Survey: Experiences and Lessons Gabriel Demombynes April 20. 2011 Workshop on “More Frequent, More Timely & More Comparable Data for Better Results”
Outline • Why? • How? • What Worked? • What Didn’t Work? • Lessons for the Future
Why? • To see if it would work • The PA • A data generating platform
How? Phase I • Phones delivered to 1000 households • Representative sample of 10 state capitals (urban only, in a rural country) • Delivery done by Southern Sudan Centre for Census, Statistics and Evaluation in Oct 2010
Some key features of delivery • Pilot conducted in 2 towns in July 2010 • Agreement letter • Calendar • 2 types of phones: Nokia vs. solar • 2 levels of airtime credit: 5 vs. 10 SDG • WB supervision in half of locations • Airtime lottery • Backup phone number collected • Choice of language: Juba Arabic, Dinka, Nuer, English • Attempt to get age, gender diversity
Phase II: December 2010-March 2011 • Calls made monthly by Horizon Contact Center, Nairobi-based call center • Callers: South Sudanese living in Nairobi • “Core” questions from Afrobarometer • “Special” questions asked each month • 15-20 minute interview
Figure 1: Views on the Referendum on the Independence of Southern Sudan
Figure 3: Responses to “Looking back, how do you rate the following compared to twelve months ago: Your living conditions?“
Figure 5: Responses to “Looking ahead, do you expect the following to be better or worse: Your living condition in twelve months time?”
Figure 8: Responses to “In the last year, have you or anybody in your family gone without enough food?”
Figure 10: Responses to “Over the past year, how often, if ever have you or anyone in your family been physically attacked?”
Figure 11: Responses to “Over the past year, how often, if ever, have you or anyone in your family had something stolen from your house?”
What Worked Well • Outsourcing major work with coordination by Bank consultant • Arrangement with South Sudan stats office • Contract with call center
What Didn’t Work Well • Timing of Airtime Transfers • High-frequency coordination of payments with Juba and Khartoum offices
Attrition Over Time Percentages of Households Completing The Interview Each Month
Conclusions • Outsourcing components, with WB management, worked well • Lower attrition, lower cost in places with higher cell phone ownership, e.g. Kenya • More analysis on substance and attrition to come