Includes bibliographical references and index.

Part I. Scaling science : an emerging paradigm -- Part II. Four guiding principles for scaling impact for the public good -- On guiding principles -- Guiding principle 1 : justification -- Guiding principle 2 : optimal scale -- Guiding principle 3 : coordination -- Guiding principle 4 : dynamic evaluation -- Part III. Case studies -- Scaling ecohealth for chagas disease prevention in Central America -- Scaling access to justice for survivors of sexual violence -- Scaling salt reduction policies and programs in Latin America -- Scaling southern policy research to a global level : southern voice -- Scaling a nutrition intervention on the market : promoting locally fortified sunflower oil using e-vouchers -- Part IV. Pathways to scale -- Part V. Moving Forward -- Appendix. Methods note.