This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Researcher, Mixed Methods based in United States. This role offers an opportunity to lead rigorous, applied research at the intersection of behavioral science, public opinion, communications, and decarbonization.You will independently shape research questions and lead studies from initial hypotheses through design, analysis, interpretation, and communication.The position combines experimental, causal, qualitative, and mixed-methods approaches to understand what drives meaningful behavioral and social change.You will investigate not only whether interventions work, but why they work, for whom, and under which conditions.Working across program, communications, advocacy, digital, and research teams, you will translate evidence into stronger strategies and measurable outcomes.You will also collaborate with academic institutions, research partners, vendors, and external experts on high-quality studies.This is a highly autonomous scientific role with the opportunity to influence research strategy and contribute to large-scale progress toward a more sust... Click Apply to read the full job description.