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American Journal of Political Science· 2026Q1

Designing multi‐site studies for external validity: Site selection via synthetic purposive sampling

Naoki Egami, Diana Da In Lee

Short summary

A new method called synthetic purposive sampling (SPS) is proposed to optimally select diverse sites for multi-site studies, addressing limitations of random and current purposive sampling.

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Field: Management Science and Operations Research

Management Science and Operations ResearchDecision Sciences