Language Testing in Asia

Table 2 The data sheet for a GR&R study

From: The analysis of marking reliability through the approach of gauge repeatability and reproducibility (GR&R) study: a case of English-speaking test

Recording clips	Examiner 1			Examiner 2			Examiner 3			Clip Average
Recording clips	Trial 1	Trial 2	R	Trial 1	Trial 2	R	Trial 1	Trial 2	R	Clip Average
1										\({\overline{X}}_{C1}\)
2										\({\overline{X}}_{C2}\)
3										\({\overline{X}}_{C3}\)
…										…
…										…
…										…
28										\({\overline{X}}_{C28}\)
29										\({\overline{X}}_{C29}\)
30										\({\overline{X}}_{C30}\)
Column average	\({\overline{X}}_1\)		\({\overline{R}}_1\)	\({\overline{X}}_2\)		\({\overline{R}}_2\)	\({\overline{X}}_3\)		\({\overline{R}}_3\)

Back to article page