Table 1 Random effects person-by-rater G-studies results.

From: Evaluating the role of ChatGPT in enhancing EFL writing assessments in classroom settings: A preliminary investigation

Rater type

Sources of variability

DF

\({\sigma }^{2}\)

%

Standard error

ChatGPT3.5

p

29

4.8040

64.91

1.3778

rG3.5

3

0.1636

2.21

0.1553

prG3.5

87

2.4336

32.88

0.3648

Total

119

7.4012

100

1.8979

ChatGPT4

p

29

1.8102

87.63

0.4741

rG4

3

0.0318

1.54

0.0249

prG4

87

0.2238

10.83

0.0335

Total

119

2.0658

100

0.5325

Teachers

p

29

3.7994

76.59

1.0242

rt

3

0.2393

4.83

0.1708

prt

87

0.9218

18.58

0.1382

Total

119

4.9605

100

1.3332