Financial analysts generally create static formulas for the computation of NPV. When they do so, however, it is not readily apparent how sensitive the value of NPV is to changes in multiple interdependent and interrelated variables. It is the aim of this paper to analyze this variability by employing a dynamic, visually graphic presentation using…

Development of an inexpensive but powerful computer program to teach clinical periodontal diagnosis using epidemiological principles is described. Using probabilistic thinking, the student is guided from application of raw research data to derivation of likelihood ratios and how they affect clinical decision making. Student response was found to…