eng TQMP Tutorials in Quantitative Methods for Psychology 1913-4126 2013-10-12 9 2 95 95 10.20982/tqmp.09.2.p095 article Hallgren, Kevin A. khallg@unm.edu 1 University of New Mexico An erratum was found in Hallgren, K. A. (2012). Computing inter-rater reliability for observational data: An overview and tutorial. The error and correction are presented here. https://www.tqmp.org/RegularArticles/vol09-2/p095/p095.pdf statistics inter-rater reliability kappa Erratum