From: Examining consistency among different rubrics for assessing writing
 | Scale mean if item deleted | Scale variance if item deleted | Corrected item-total correlation | Cronbach’s alpha if item deleted |
---|---|---|---|---|
CAE1 | 72.38 | 111.04 | .38 | .67 |
CPE1 | 73.27 | 101.76 | .15 | .72 |
GRE1 | 73.06 | 114.00 | .28 | .68 |
iBT1 | 72.57 | 108.36 | .47 | .66 |
CAE2 | 72.49 | 110.94 | .45 | .67 |
CPE2 | 73.27 | 113.35 | .44 | .67 |
GRE2 | 72.86 | 111.91 | .46 | .67 |
iBT2 | 72.41 | 109.52 | .46 | .66 |
IELTS | 71.18 | 109.45 | .66 | .66 |
CAE3 | 73.28 | 110.50 | .36 | .67 |
CPE3 | 73.59 | 112.63 | .45 | .67 |
GRE3 | 73.01 | 113.27 | .41 | .67 |
iBT3 | 73.32 | 107.66 | .53 | .66 |
CAE4 | 72.65 | 107.11 | .57 | .65 |
CPE4 | 73.11 | 108.90 | .52 | .66 |
GRE4 | 72.67 | 107.82 | .57 | .66 |
iBT4 | 72.40 | 80.45 | .13 | .80 |