According to authors’ request, the funding in the article, “The relationship between dental graduate students’ MBTI types and academic achievement in problembased learning” Korean J Med Educ 2014 Dec; 26(4):291-297, http://dx.doi.org/10.3946/kjme.2014.26.4.291 is replaced as following: Funding: This work was supported by National Research Foundation of Korea Grant, through the Oromaxillofacial Dysfunction Research Center for the Elderly (2013070465) at Seoul National University and by the Ministry of Education, Science and Technology (2012009268).