Rigorous measurement of animal welfare intervention outcomes allows advocates and donors to maximize the welfare benefit of their resources.
Not all animal welfare interventions are equally effective at reducing suffering. A dollar given to a high-impact corporate campaign organization may benefit hundreds of animals. The same dollar given to a companion animal shelter benefits one or two. Both have value but advocates seeking maximum welfare impact should understand these differences. Rigorous evaluation using counterfactual analysis, welfare weightings, and cost-per-animal metrics allows resources to be directed where they do the most good.