(A) The mean inflation duration of saved balloons by adolescents and adults for each type of balloon as a function of whether the previous balloon had been saved or had burst. The mean number of balloons of each type experienced by participants (small prior-saved, small prior-burst, large prior-saved, large prior-burst) were 44.1, 34.1, 80.4, and 32.8 for adolescents and 60.7, 28.9, 95.9, and 27.3 for adults. (B) The mean inflation duration of saved balloons by adolescents and adults as a function of the number of prior saved balloons. Data are collapsed across balloon types in order to permit the means to be calculated on the basis of at least four observations per participant (M= 37.75, SD = 18.21). Notice that when the number of prior saved balloons is 0, the data correspond to the average of the small and the large prior-burst balloons shown in Figure 3A. **p < .01 post hoc within-subjects t test (df = 15) comparing the inflation of saved balloons of each type according to the prior balloon outcome (saved or burst) for each age group.