The problem-based learning (PBL) curriculum, which originated primarily from the Faculty of Health Sciences at McMaster University in 1969, has had a major impact on the thinking and practice in medical education. It is one of the most important developments in the health profession's education in the latter part of the twentieth century) The PBL process incorpo-rates fundamental educational principles such as those derived from adult learning theory' and this gives the PBL approach a greater effective-ness for the acquisition of basic knowledge and clinical skills.