Language Testing in Asia

Table 9 Tetrachoric correlations among attributes in the standards-based Q-matrix

From: Educational L2 constructs and diagnostic measurement

	LoSI	LoMA	LoLA	LoSC	LoSS	Recount	Explain
LoMA	0.751
LoLA	0.867	0.795
LoSC	0.798	0.877	0.738
LoSS	0.768	0.895	0.957	0.846
Recount	0.053	− 0.066	0.234	0.135	0.168
Explain	0.163	− 0.088	0.336	0.052	0.222	0.999
Argue	0.006	− 0.033	0.179	0.082	0.129	0.981	0.981

Correlations higher than 0.90 are bolded. The proportion of masters for recount, explain, and argue was 47%, 41%, and 46%. LoSS and LoLA were mastered by 37% and 52% respectively

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