Workers with long-term disability due to psychiatric or psychosocial problems
(Linddahl et al., 2003; n = 126; age range = 20-59; those involved in work during the last year = 19%)
- Construct validity of the DWA Scale for personal causation, values, and interests assessed by clients and professionals (RMSError = 0.12, 0.13 respectively)
- Construct validity of the DWA Scale for roles and habits, values, and interests assessed by clients and professionals (RMSError = 0.15)
- Construct validity of the DWA Scale for physical ability assessed by clients and professionals (RMSError = 0.15, 0.17 respectively)
- Construct validity of the DWA Scale for organizational and problem-solving ability assessed by clients and professionals (RMSError = 0.13, 0.14 respectively)
- Construct validity of the DWA Scale for communication ability assessed by clients and professionals (RMSError = 0.15)
- Construct validity of the DWA Scale for physical ability assessed by clients and professionals (RMSError = 0.15, 0.17 respectively)
Psych Rehab Population: (Linddahl, 2007; n = 126; age range = 20-59; those involved in work during the last year = 19%)
DWA demonstrates validity by measuring work capacity and ability to return to work. DWA’s 5 scales correlate with an increase in the 34 tested items.