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Please visit this website for more information about the instrument: Participation Assessment With Recombined Tools-Objective.
Supplemental: Traumatic Brain Injury (TBI)
Exploratory: Cerebral Palsy (CP)
Short Description of Instrument
The Participation Assessment with Recombined Tools-Objective (PART-O) consists of 24 items asking for the frequency that the person engages in various activities within the community. Scores have been standardized based on a population sample. Several scoring options have been examined, providing a total score and 3 subscale scores. A subsequent revision, the PART-O-17, shortened the instrument to 17 items (Bodner et al., 2011).
Standardized z-scores generally range from -4 to +4, with 0 as the mean.
Interview or paper/pencil with participant or proxy. Manual available. Administration time is 10–15 minutes.
Traumatic Brain Injury Model Systems National Data and Statistical Center, Part-O Manual, October, 2007.
Bogner J. The Participation Assessment with Recombined Tools-Objective: The Center for Outcome Measurement in Brain Injury; 2013 [cited 2016 1 July]. Available from:
Bogner JA, Whiteneck GG, Corrigan JD, Lai JS, Dijkers MP, Heinemann AW. Comparison of scoring methods for the participation assessment with recombined tools-objective. Arch Phys Med Rehabil. 2011;92(4):552-563.
Whiteneck GG, Dijkers MP, Heinemann AW, Bogner JA, Bushnik T, Cicerone KD, Corrigan JD, Hart T, Malec JF, Millis SR. Development of the participation assessment with recombined tools-objective for use after traumatic brain injury. Arch Phys Med Rehabil. 2011;92(4):542-551.
Malec JF, Whiteneck GG, Bogner JA. Another Look at the PART-O Using the Traumatic Brain Injury Model Systems National Database: Scoring to Optimize Psychometrics. Arch Phys Med Rehabil. 2016;97(2):211-217.


Document last updated July 2019