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. Author manuscript; available in PMC: 2017 Jul 11.
Published in final edited form as: Psychol Test Assess Model. 2016;58(1):79–98.

Figure 3.

Figure 3

Graph depicting differential item functioning impact with all items included and with only items with DIF included (from lordif) comparing non-Hispanic Blacks (NHB) and non-Hispanic Whites (NHW)

Aggregate DIF Impact:

Expected Scale Scores for groups at each theta level (Test Characteristic Curves) (lordif depression NHB vs NHW)