The Possibilities for Activity Scale (PActS): Development, validity, and reliability.
BACKGROUND
Laliberte Rudman proposed the concept of occupational possibilities to represent what older adults feel they "should be" and "could be" doing.


OBJECTIVE
This study aimed to develop and validate a measure of perceived occupational possibilities: the Possibilities for Activity Scale (PActS).


METHODS
Two factors of the PActS, activity expectations and activity self-efficacy, were operationalized in a 14-item instrument. The instrument was then evaluated with a sample of older adults diagnosed with cancer (n = 179).


RESULTS
The PActS demonstrated promising internal consistency reliability (stratified coefficient α = .77) and construct-related (r = .58; p < .0001), structural (chi-square = 61.57; CFI = .97; RMSEA = .05; TLI = .96; NFL = .91) and known-groups validity.


CONCLUSIONS
The PActS appears to be a useful measure of internalized occupational possibilities for participation in activity for older adults with cancer. This scale can enhance the measurement of participation in activity by evaluating the perceptions of occupational possibilities.
Mackenzi
M
Pergolotti
Malcolm P
MP
Cutchin
D000368:Aged; D005260:Female; D015577:Geriatric Assessment; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000503:physiopathology* / Q000523:psychology*; D010358:Patient Participation; D011594:Psychometrics; D011788:Quality of Life / Q000523:psychology; D015203:Reproducibility of Results; D020377:Self Efficacy