Investor Presentaiton
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Detailed Methodology
This survey was conducted by Pan African Field Services on behalf of the Center
for Insights in Survey Research.
Data was collected throughout Sierra Leone between February 12 and 26, 2018
through CAPI administered face-to-face interviews in respondents' homes.
The sample consisted of n=1,526 adults in Sierra Leone, aged 18 and older.
A multi-stage probability sampling method was used. The sample was stratified
by region and by urban/rural residency, followed by random selection of PSUs
within each stratum. Households were selected by random walk in each of the
191 PSUs, and respondents were selected by Kish grid. The sampling frame was
based on the 2015 Population and Housing Census of the Statistical Office of
Sierra Leone.
The achieved sample was weighted for gender, age groups, and formal versus no
formal education.
The response rate was 79 percent.
The margin of error for the full sample does not exceed ± 1.95 percent.
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Charts and graphs may not add up to 100 percent due to rounding.
The survey was funded by the United States Agency for International
Development.
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