Figure 4. HDQLIFE Concern with Death and Dying Number of CAT Items by CAT Theta.
This figure shows the number of CAT items used for different scale scores in standard deviation units: at −1 SD units, the CAT always used all 12 items in the item bank; at +1 and +2 SD units, the CAT always used the minimum number of 4 items in the item bank; and at 3 SD units the CAT used all 12 items in the item bank.
