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Table 6 Mean comparison: pretest, the immediate and delayed posttest scores

From: Impacts of computer-assisted diagnostic assessment on sustainability of L2 learners’ collaborative writing improvement and their engagement modes

 

Sum of squares

Df

Mean square

F

Sig. partial η2

Between groups

4143.629

2

2071.814

388.003

.000* .230

Within groups

560.666

105

5.339

  

Total

4704.293

107