Language Testing in Asia

Table 12 Rasch summary statistics of rating criterion difficulty

From: Effects of rating criteria order on the halo effect in L2 writing assessment: a many-facet Rasch measurement analysis

	Standard		Reverse		Random
	Difficulty	95% CI	Difficulty	95% CI	Difficulty	95% CI
Rating criterion
Content	0.78 (.06)	[0.66, 0.90]	0.68 (.06)	[0.56, 0.80]	0.98 (.06)	[0.86, 1.10]
Organization	0.69 (.06)	[0.57, 0.81]	0.65 (.06)	[0.53, 0.77]	1.10 (.06)	[0.98, 1.22]
Vocabulary	0.39 (.06)	[0.27, 0.51]	0.34 (.06)	[0.22, 0.46]	0.54 (.06)	[0.42, 0.66]
Language use	0.39 (.06)	[0.27, 0.51]	0.33 (.06)	[0.21, 0.45]	0.53 (.06)	[0.41, 0.65]
M	0.56		0.50		0.79
SD	0.19		0.18		0.29

Note. Standard errors of measurement are presented in parentheses. CI confidence interval

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