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Language Testing in Asia
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Table 9 Tetrachoric correlations between the sub-skills
From:
Diagnosing EFL learners’ writing ability: a diagnostic classification modeling analysis
CON
ORG
GRM
VOC
MCH
CON
1.00
ORG
0.64
1.00
GRM
0.69
0.71
1.00
VOC
0.68
0.50
0.78
1.00
MCH
0.69
0.64
0.87
0.63
1.00
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