How can we better evaluate the impact our foundation is having?

Summary:

Bridgespan.org offers an essay which explores the difficult question of “What difference are we making?” In particular, it addresses how a foundation can better evaluate the difference it's making in the world, when its grantee portfolio is diverse—and it's the grantees who actually deliver?

http://www.bridgespan.org/kno_case_aecf.html