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Table 3 Summary fit statistics, subsample 2 (n = 800)

From: Shortening of the Burnout Assessment Tool (BAT)—from 23 to 12 items using content and Rasch analysis

  Item residual Person residual Chi square Unidemensionality
Analysis name Mean SD Mean SD Value p PSI Test % (95% CI)
BAT19 -0.02 2.05 -0.74 2.25 240.74  < 0.0001 0.94 18.6 (16.0;21.5)
BAT15 0.02 1.94 -0.71 2.07 190.76 0.001 0.93 14.5 (12.2;17.2)
BAT14 0.04 1.64 -0.69 1.98 163.02 0.02 0.92 14.9 (12.6;17.7)
BAT13 -0.02 1.66 -0.66 1.88 183.13  < 0.0001 0.91 14.6 (12.2;17.3)
BAT12 -0.07 1.96 -0.67 1.85 163.31 0.0004 0.90 14.1 (11.8;16.8)
BAT12 4 testlets 0.31 0.80 -0.52 1.13 57.67 0.01 0.81 4.3 (3.0;5.8)