Kathleen Doyle Lyons, Zhongze Li, Tor D. Tosteson, Kenneth Meehan, Tim A. Ahles; Consistency and Construct Validity of the Activity Card Sort (Modified) in Measuring Activity Resumption After Stem Cell Transplantation. Am J Occup Ther 2010;64(4):562-569. doi: 10.5014/ajot.2010.09033.
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© 2017 American Occupational Therapy Association
OBJECTIVE. We assessed the psychometrics of a self-administered survey modification of the Activity Card Sort (modified; ACSm) when used to track activity resumption after stem cell transplantation (SCT).
METHOD. Thirty-six participants completed the ACSm for a descriptive pilot study of recovery after SCT. Reliability was assessed by determining the longitudinal consistency of participants’ designation of an activity as never done versus done previously and by calculating internal consistency. Construct validity was assessed by correlating the ACSm scores with measures of quality of life, performance status, and perceived cognitive impairment.
RESULTS. Participants gave consistent designations for 72% of items. Internal consistency of the total score was α > 0.86 at all assessments. The ACSm scores were correlated with quality of life (r = 0.51, p = .0019), functional well-being (r = 0.59, p = .0002), and performance status (r = 0.42, p = 0.011) and not associated with cognitive impairment (r = .22, p = .19).
CONCLUSION. The ACSm demonstrated provisional evidence of reliability, internal consistency, and construct validity.
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