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. Author manuscript; available in PMC: 2007 Aug 1.
Published in final edited form as: Arch Phys Med Rehabil. 2006 Aug;87(8):1043–1051. doi: 10.1016/j.apmr.2006.04.024

Fig 1.

Fig 1

Rasch person and item frequency map, in logits, for the 20 PAR-PRO items. Values reported for both persons and items. Legend: M, mean; S, 1 standard deviation; T, 2 standard deviations.