Table 1.
Decision Making Ability Components and Sources of Items
| Ability | Subscales | Itemsa | Notes | Adapted from: |
|---|---|---|---|---|
| Understanding | U1. Disorder |
4–8 | Each element is disclosed and assessed with questions. A |
HCAI (Edelstein, 1999), MacCAT-T |
| U2. Treatment |
8–16 | bulleted list is left out for reference. |
(Grisso & Appelbaum, 1998b), Pilot studies | |
| Appreciation | A1. Distrust |
2 | Doubt about the benefit of treatment; Concerns about harm from doctor |
MacCAT-T (Grisso & Appelbaum, 1998b), POD (Appelbaum & Grisso, 1992) |
| A2. Foresight |
2 | Planning for chosen treatment; Projection of status after treatment |
CCTI (Marson et al., 1995), CSA (Saks etal., 2002) | |
| Reasoning | R1. Rational |
2 | Compare and contrast treatments; List rational reasons for treatment |
HCAI (Edelstein, 1999), MacCAT-T (Grisso & Appelbaum, 1998b), CCTI (Marson et al., 1995) |
| R2. Values | 2 | Treatment consequences for valued activities; Treatment consequences for valued relationships |
Pilot studies | |
| Communicatin g a Choice |
C1. Naming |
1 | Naming two choices | HCAI (Edelstein, 1999), MacCAT-T |
| C2. Communic ating |
1 | Statement of one consistent choice |
(Grisso & Appelbaum, 1998b), CCTI (Marson et al., 1995) | |
a
The number of items assessed in Understanding varies based on the complexity of the diagnostic and treatment situation. With the standardized vignettes developed for research, the number of facts increases with each vignette.