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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Qual Life Res. 2016 Jul 8;25(10):2403–2415. doi: 10.1007/s11136-016-1354-y

Figure 4. HDQLIFE Concern with Death and Dying Number of CAT Items by CAT Theta.

Figure 4

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.