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CTT-difficulty prediction on BEA (pooled items)
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0.309
Standard Deviation (SD)
Qwen3+Ridge
0.29355
0.301275
0.309
0.316725
Jul 8, 2026
Standard Deviation (SD)
RMSE
RMSE/SD Ratio
R2
Updated 16d ago
Evaluation Results
Method
Method
Links
Standard Deviation (SD)
RMSE
RMSE/SD Ratio
R2
Qwen3+Ridge
ntrain / ntest=667 (po...
2026.07
0.309
0.306
0.99
0.016
bert-large+Ridge
ntrain / ntest=667 (po...
2026.07
0.309
0.304
0.98
0.031
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