In Round 3 for Lesotho, Afrobarometer surveyed a nationally representative random, stratified probability sample of 1,200 Basotho. Face-to-face interviews were conducted by the Afrobarometer team from Sechaba Consultants in Sesotho and English across all ten districts. The sample was drawn by taking the smallest geographic units, census Enumeration Areas (EA’s) and stratifying all EA’s across the country into separate lists according to districts and urban/ rural status. 150 EA’s were then randomly selected from these lists with the probability proportionate to its size in the overall population as represented in the latest census data. This ensures that every eligible adult had an equal and know chance of being selected. Eight interviews were then randomly conducted within each EA, and a respondent 18 years of age or older was randomly selected from each household. A gender quota ensured that every other interview must be with a female. A sample of this size is sufficient to yield an overall margin of error of +/- 3 percent at a confidence level of 95 percent.
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