The authors provide this addendum to the following article to provide corrections to the results reported and further explanation of the structural equation modeling techniques utilized: Sean T. Hannah, Bruce J. Avolio, and Fred O. Walumbwa, "The Relationships between Authentic Leadership, Moral Courage, and Ethical and Pro-Social Behaviors,"Business Ethics Quarterly 21:4 The authors provide this addendum to the following article to provide corrections to the results reported and further explanation of the structural equation modeling techniques utilized: Sean T. Hannah, Bruce J. Avolio, and Fred O. Walumbwa, "The Relationships between Authentic Leadership, Moral Courage, and Ethical and Pro-Social Behaviors,"