29  Final Screening Models

29.1 English Screener

Figure 29.1: Receiver-operating Characteristic Curves (Left Panels) and Precision-Recall Curves (Right Panels) for the English Prediction Models
Table 29.1: English-to-English Prediction Models Evaluated for the Entire Sample.
All
Grade n Acc. B.Acc. Sens. Spec. Prev. P.Prev.
K 877 0.728 0.749 0.781 0.716 0.186 0.376
G1 791 0.798 0.832 0.889 0.774 0.213 0.368
G2 807 0.893 0.901 0.913 0.888 0.182 0.258
Table 29.2: English-to-English Prediction Models Evaluated for the Students Classified as English Learners Only.
All
Grade n Acc. B.Acc. Sens. Spec. Prev. P.Prev.
K 376 0.661 0.723 0.854 0.592 0.266 0.527
G1 325 0.780 0.800 0.899 0.702 0.399 0.538
G2 244 0.838 0.864 0.938 0.790 0.324 0.445
Table 29.3: English-to-English Prediction Models Evaluated for English-only Students Only
All
Grade n Acc. B.Acc. Sens. Spec. Prev. P.Prev.
K 387 0.780 0.732 0.667 0.798 0.132 0.264
G1 388 0.794 0.805 0.818 0.791 0.085 0.260
G2 445 0.912 0.922 0.935 0.909 0.139 0.209

29.2 Spanish Screener

Figure 29.2: Receiver-operating Characteristic Curves (Left Panels) and Precision-Recall Curves (Right Panels) for the Spanish Prediction Models
Table 29.4: Spanish-to-Spanish Prediction Models.
All
Grade n Acc. B.Acc. Sens. Spec. Prev. P.Prev.
K 392 0.564 0.625 0.725 0.525 0.198 0.525
G1 297 0.875 0.839 0.770 0.908 0.236 0.252
G2 239 0.867 0.879 0.903 0.855 0.257 0.340