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Language Testing in Asia

Table 4 Binary and analytic scale comparison

From: Writing scale effects on raters: an exploratory study

 

Binary

Analytic

Time

27.37 min

30.12 min

Rater exact agreement

37.3%

44%

Rater separation index

2.14

4.21

Rater fit

All within the acceptable fit (0.82–1.15)

1 misfit (0.62), 1 overfit (1.36)

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