How Can We Solve Animal Welfare’s Evidence Problem? (Post 1) by Tom Billington

TL;DR: The move­ment has an ev­i­dence prob­lem. To solve it, for each in­ter­ven­tion we need to know:What types of ev­i­dence that in­ter­ven­tion needsWhat types of ev­i­dence differ­ent sources can give usIn this post, we out­line a frame­work for ev­i­denc­ing an in­ter­ven­tion through five stages:Figure 1: The five stages of the ev­i­dence pipeline.Each stage poses a differ­ent ques­tion, need­ing differ­ent types of ev­i­dence, and thus differ­ent meth­ods (and po­ten­tially differ­ent o...