But it is not until one becomes involved in ones own “thing” or venture that such learning, some of it undesirable perhaps, takes place. Harvard has for many years espoused the use of case study as a dynamic teaching-learning tool. However, the results have proven to be inconsistent with some realization that the facilitator might play the determining role regarding effectiveness. Still and all, the balance of evidence clearly indicates that cases can be very effective in teaching problem-solving skills, and contributing to “knowledge, attitude change, interpersonal skill development, participant acceptance and knowledge retention.”