A reanalysis of a randomized study on the impact of different images of farm animals.
A reanalysis of a randomized study on the impact of different images of farm animals.
This document presents a reanalysis of the data and the conclusions reported by Humane League Labs on January 25, 2015, in the blog post titled Which Farm Animal Photos Are Most Likely to Inspire People to Eat Vegan? Using regression analysis of the provided data, our reanalysis finds that photos of sick or injured animals, large groups of animals, pigs, and mother and baby animals are most likely to increase self-reported desire to stop consuming animal products. However, in the course of our reanalysis, we found the provided data likely represents only a subset of all respondents to the survey. As this may impart significant bias, substantial uncertainty is warranted around these conclusions.
Read more in the full report and download the data and code.
Ryan Melvin
Jacob R. Peacock
