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Language Testing in Asia
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Table 4 Binary and analytic scale comparison

From: Writing scale effects on raters: an exploratory study

 BinaryAnalytic
Time27.37 min30.12 min
Rater exact agreement37.3%44%
Rater separation index2.144.21
Rater fitAll within the acceptable fit (0.82–1.15)1 misfit (0.62), 1 overfit (1.36)
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