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The problem
Intervention: Access to biodiverse marine resources and coral reef ecosystems through coastal proximity
Who it was tested with: Children in coastal versus non-coastal areas of Haiti and Dominican Republic.
Experience from people who deliver programmes: stories, case studies and lessons learned. Valuable for understanding how and why, and for spotting what to test next, but not a measure of effect.
"We combine child nutrition data from the Demographic Health Survey with coastal proximity and coral reef habitat diversity, and condition to empirically test human benefits of marine natural resources in differing development contexts." This represents an observational analysis comparing groups with different exposures (coastal versus non-coastal) measured at a single point in time, making it a cross-sectional comparative design rather than experimental.
Cross-sectional design prevents causal inference; cannot determine whether proximity to resources directly drives nutrition outcomes; confounding factors like market access, infrastructure, and income were not fully controlled
Across countries and designs
1 study · 2 countries
