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Technical Guidance Sheet No.11 - Using the T-Square Sampling Method to Estimate Population Size, Demographics and other Characteristics in Emergency Food Security Assessments

Guidance describing the T-square (T2) sampling method and instructions on when and how to use the method in an EFSA. The T2 method can estimate the population size of people with certain characteristics (eg. food insecurity status, livelihood or age) without constructing a sampling frame.