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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: Qual Life Res. 2009 Apr 25;18(5):585–595. doi: 10.1007/s11136-009-9475-1

Figure 2. Information function and trait distribution for the Stigma Scale for Chronic Illness items.

Figure 2

Note: The information function and standard error are shown as lines within the plot. The distribution of individual trait scores are depicted as a histogram. The hash marks are locations of the category threshold parameters that indicate that the test provides good measurement at moderate to severe levels of stigma.