The Humane League takes an evidence-driven approach to advocacy. Our work is rooted in sound research and a commitment to effective animal protection, all grounded in science.
Research Reports
† Indicates legacy research, which may not meet the current quality standards of The Humane League. We recommend cautious interpretation of these results and reanalysis of the raw data when possible.
Research Reports
Critics of Prop 12 claimed that the new animal welfare standards would drive increased food prices and product shortages. After the law has gone into effect, it’s become clear that these claims were nothing more than industry fearmongering.
Research Reports
Three studies of a documentary to reduce animal product consumption find little impact.
Research Reports
An analysis of data and existing research on plant-based and dairy milk consumption and the relationships between the products.
Research Reports
A meta-analysis of animal-related appeals to reduce animal product consumption.
Research Reports
A comprehensive analysis of changes in vegetarian and vegan rates over time.
Research Reports
A reanalysis of a study examining the effect of different messages on intended future animal product consumption.
Research Reports
A review of methods for measuring progress towards improved broiler welfare.
Research Reports
What happened in farm animal advocacy research January 2020.
Research Reports
A protocol for our upcoming study of the global effects of cage-free commitments on gettings hens out of cages.
Research Reports
An analysis-ready data set that tracks the supply of cage-free eggs in the United States from December 2007 to present.