The researchers concluded that the most unpleasant, the peak, and the final intensity of unpleasantness, the end were used to evaluate the procedure. In this case, the end of Group B is less unpleasant. At the same time, the peak of both Group A and Group B were the same. Thus, the sum of the unpleasantness of the peak and the end was less for Group B. As a result, participants from Group B found the experience less unpleasant, although for both the duration of and the sum of unpleasantness, Group A &lt; Group B.