


M1
Attributes:
@attribute 'Number of Distractors' numeric
@attribute 'Referring Form' {'a N',that,it,'that N','the N','another N','this N',this}
@attribute 'Cognitive Status' {I,A,F}
@attribute 'Physical Distance (Instructor)' numeric
@attribute Recency numeric
Accuracy   58.78
RMSE       0.412
Precision  0.505
Recall     0.588
F1 score   0.536
Coverage   6
Leaves     54



M2 (no Cognitive Status)
To remove Cognitive Status
Attributes:
@attribute 'Number of Distractors' numeric
@attribute 'Referring Form' {'a N',that,it,'that N','the N','another N','this N',this}
@attribute 'Physical Distance (Instructor)' numeric
@attribute Recency numeric
Accuracy   57.84
RMSE       0.422
Precision  0.503
Recall     0.578
F1 score   0.529
Coverage   7
Leaves     47



M3 (no Number of Distractors)
To remove Number of Distractors
Attributes:
@attribute 'Referring Form' {'a N',that,it,'that N','the N','another N','this N',this}
@attribute 'Cognitive Status' {I,A,F}
@attribute 'Physical Distance (Instructor)' numeric
@attribute Recency numeric
Accuracy   58.50
RMSE       0.415
Precision  0.517
Recall     0.585
F1 score   0.537
Coverage   7
Leaves     46



M4 (no Physical Distance (Instructor))
To remove Physical Distance (Instructor)
Attributes:
@attribute 'Number of Distractors' numeric
@attribute 'Referring Form' {'a N',that,it,'that N','the N','another N','this N',this}
@attribute 'Cognitive Status' {I,A,F}
@attribute Recency numeric
Accuracy   50.64
RMSE       0.494
Precision  0.439
Recall     0.506
F1 score   0.455
Coverage   6
Leaves     40



M5 (no Recency)
To remove Recency
Attributes:
@attribute 'Number of Distractors' numeric
@attribute 'Referring Form' {'a N',that,it,'that N','the N','another N','this N',this}
@attribute 'Cognitive Status' {I,A,F}
@attribute 'Physical Distance (Instructor)' numeric
Accuracy   57.06
RMSE       0.429
Precision  0.501
Recall     0.571
F1 score   0.523
Coverage   6
Leaves     29



Accuracy & 58.78 & 57.84 & 58.50 & 50.64 & 57.06\\
RMSE & 0.412 & 0.422 & 0.415 & 0.494 & 0.429\\
Precision & 0.505 & 0.503 & 0.517 & 0.439 & 0.501\\
Recall & 0.588 & 0.578 & 0.585 & 0.506 & 0.571\\
F1 score & 0.536 & 0.529 & 0.537 & 0.455 & 0.523\\
\hline
Coverage & 6 & 7 & 7 & 6 & 6\\
Leaves & 54 & 47 & 46 & 40 & 29\\

