From Variety Trials to System Trials

Traditional experimentation isolates single factors, one variety or one treatment. Integrating STIBs with OFE tests combinations of technical and enabling components, turning trials into platforms for learning about adoption, institutions, and markets. It also raises new design questions, such as defining appropriate controls and measuring returns when outcomes include empowerment and risk reduction. For a concise visual overview, see the infographic sections titled “What is a Gender-Transformative STIB?” and “How the Bundle Works in Practice” (pages 2 to 3 of the Ethiopia infographic: https://hdl.handle.net/10568/179510). For deeper methodological discussion, refer to the sections “Bundling Components and Pathways to Impact” and “Monitoring, Evaluation and Learning” in the socio-technical integration guide (particularly the framework and evaluation diagrams in https://hdl.handle.net/10568/169786).