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Table 3 Task measurement report in Study 1

From: Validity evidence of Criterion® for assessing L2 writing proficiency in a Japanese university context

Prompt

Total count

Observed average

Fair average

Measure (logit)

Model SE

Infit MnSq

Lower measure

Upper measure

2

131

3.53

3.01

1.52

0.28

0.86

0.97

2.07

1

337

3.18

3.03

0.42

0.17

0.93

0.09

0.75

3

133

3.46

3.08

−0.59

0.26

0.94

−1.10

−0.08

4

139

3.24

3.16

−1.35

0.24

1.07

−1.82

−0.88

Mean

185

3.35

3.07

0.00

0.24

0.95

--

--

SD a

87.8

0.15

0.06

1.08

0.04

0.07

--

--

  1. Note. SE = Standard error. MnSq = mean squares. apopulation. Separation = 4.31; Reliability = .95. Model, Fixed (all same) chi-square = 70.8 (df = 3), p < .01