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Fig. 1 | BMC Public Health

Fig. 1

From: Rasch analysis of the participation scale (P-scale): usefulness of the P-scale to a rehabilitation services network

Fig. 1

Person-Item Map of the 16 P-Scale items in the final Rasch Analysis (n = 281). Note: Each “#” = 4 persons and each “*” = 1 to 3 persons; M = Mean persons’ ability or mean items’ difficulty; S = one standard deviation; T = two standard deviations. The vertical line is a continuum representing the measures of persons’ ability (left side) and items’ difficulty (right side), plotted in logit units. The persons’ ability and items’ difficulty increase from the bottom to the top

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