Skip to main content

Table 4 Item-total statistics

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