Abstract
We contribute to the literature on political psychology, interest groups, and judicial decision making by examining whether ideology mediates the effect of amicus curiae briefs on decision making in the U.S. courts of appeals. Using an original data set, we find evidence that moderate and conservative judges are influenced by amicus briefs, but that liberal judges do not respond to these persuasion attempts. We conclude that this form of interest group lobbying influences judicial decision making by at least some judges and that understanding the efficacy of this interest group strategy requires an appreciation of how political actors process persuasive information.
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