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This repository supports the registered replication report entitled, *Fear, Anxiety, and Error-Related Negativity: A Registered Report of a Multi-Site Replication Study*. This is a direct replication of Hajcak, G., McDonald, N., & Simons, R. F. (2003). Anxiety and error-related brain activity. *Biological Psychology*, *64*(1-2), 77-90. doi: [10.1016/S0301-0511(03)00103-0]( ---------- This is the beginning of the project repository to support the above manuscript during its Stage 1 submission. Further edits, including more information in the wikis and more documentation of code, will be uploaded before the Stage 2 submission.
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