Coefficient | P-value | |
---|---|---|
Indicators of convergent validity | ||
Activity level (based on the SDO) | r = 0.23 | p = 0.034 |
Clear goals (motivation aspect) | r = 0.47 | p < 0.001 |
Prefer work (motivation aspect) | r = 0.33 | p = 0.003 |
Worker role (based on WRS) | r = 0.26 | p = 0.019 |
Hours/ week (spent at the day center) | r = 0.27 | p = 0.015 |
Indicators of discriminant validity | ||
POES-P (attendee perceptions of engagement) | r = 0.04 | ns. |
Self-rated health (single SF-36 item) | r = −0.06 | ns. |
GAF (psychosocial functioning) | r = −0.04 | ns. |
BPRS (psychiatric symptoms) | r = −0.16 | ns. |