Table-1: Transaction table excerpt
| # |
Student |
Problem |
Step |
Attempt # |
Student Input |
Evaluation |
Knowledge component |
| 1 |
S01 |
WATERING_VEGGIES |
(SPRAY-RADIUS Q1) |
1 |
2 |
CORRECT |
Enter-Given |
| 2 |
S01 |
WATERING_VEGGIES |
(WATERED-AREA Q1) |
1 |
12.56 |
CORRECT |
Circle-Area |
| 3 |
S01 |
WATERING_VEGGIES |
(TOTAL-GARDEN Q1) |
1 |
39.43 |
INCORRECT |
|
| 4 |
S01 |
WATERING_VEGGIES |
(TOTAL-GARDEN Q1) |
2 |
94.985 |
INCORRECT |
|
| 5 |
S01 |
WATERING_VEGGIES |
(TOTAL-GARDEN Q1) |
3 |
HINT |
HINT |
|
| 6 |
S01 |
WATERING_VEGGIES |
(TOTAL-GARDEN Q1) |
4 |
30.25 |
CORRECT |
Rectangle-Area |
| 7 |
S01 |
WATERING_VEGGIES |
(UNWATERED-AREA Q1) |
1 |
17.69 |
CORRECT |
Compose-Areas |
| 8 |
S01 |
WATERING_VEGGIES |
DONE |
1 |
DONE |
CORRECT |
Determine-Done |
| 9 |
S01 |
MAKING-CANS |
(POG-RADIUS Q1) |
1 |
4 |
CORRECT |
Enter-Given |
| 10 |
S01 |
MAKING-CANS |
(SQUARE-BASE Q1) |
1 |
8 |
CORRECT |
Enter-Given |
| 11 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q1) |
1 |
32 |
INCORRECT |
|
| 12 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q1) |
2 |
4 |
INCORRECT |
|
| 13 |
S01 |
MAKING-CANS |
(SQUARE-AREA Q1) |
1 |
64 |
CORRECT |
Square-Area |
| 14 |
S01 |
MAKING-CANS |
(POG-AREA Q1) |
1 |
50.24 |
CORRECT |
Circle-Area |
| 15 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q1) |
3 |
13.76 |
CORRECT |
Compose-Areas |
| 16 |
S01 |
MAKING-CANS |
(POG-RADIUS Q2) |
1 |
8 |
CORRECT |
Enter-Given |
| 17 |
S01 |
MAKING-CANS |
(SQUARE-BASE Q2) |
1 |
16 |
CORRECT |
Enter-Given |
| 18 |
S01 |
MAKING-CANS |
(SQUARE-AREA Q2) |
1 |
256 |
CORRECT |
Square-Area |
| 19 |
S01 |
MAKING-CANS |
(POG-AREA Q2) |
1 |
200.96 |
CORRECT |
Circle-Area |
| 20 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q2) |
1 |
55.04 |
CORRECT |
Compose-Areas |
| 21 |
S01 |
MAKING-CANS |
(POG-RADIUS Q3) |
1 |
12 |
CORRECT |
Enter-Given |
| 22 |
S01 |
MAKING-CANS |
(SQUARE-BASE Q3) |
1 |
24 |
CORRECT |
Enter-Given |
| 23 |
S01 |
MAKING-CANS |
(SQUARE-AREA Q3) |
1 |
576 |
CORRECT |
Square-Area |
| 24 |
S01 |
MAKING-CANS |
(POG-AREA Q3) |
1 |
452.16 |
CORRECT |
Circle-Area |
| 25 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q3) |
1 |
123.84 |
CORRECT |
Compose-Areas |
| 26 |
S01 |
MAKING-CANS |
DONE |
1 |
DONE |
CORRECT |
Determine-Done |
Table-2: Step table excerpt
| # |
Student |
Problem |
Step |
Opportunity Count |
Total Incorrects |
Total Hints |
Assistance Score |
Error Rate |
Knowledge component |
| 1 |
S01 |
WATERING_VEGGIES |
(SPRAY-RADIUS Q1) |
1 |
0 |
0 |
0 |
0 |
Enter-Given |
| 2 |
S01 |
WATERING_VEGGIES |
(WATERED-AREA Q1) |
1 |
0 |
0 |
0 |
0 |
Circle-Area |
| 3 |
S01 |
WATERING_VEGGIES |
(TOTAL-GARDEN Q1) |
1 |
2 |
1 |
3 |
1 |
Rectangle-Area |
| 4 |
S01 |
WATERING_VEGGIES |
(UNWATERED-AREA Q1) |
1 |
0 |
0 |
0 |
0 |
Compose-Areas |
| 5 |
S01 |
WATERING_VEGGIES |
DONE |
1 |
0 |
0 |
0 |
0 |
Determine-Done |
| 6 |
S01 |
MAKING-CANS |
(POG-RADIUS Q1) |
2 |
0 |
0 |
0 |
0 |
Enter-Given |
| 7 |
S01 |
MAKING-CANS |
(SQUARE-BASE Q1) |
3 |
0 |
0 |
0 |
0 |
Enter-Given |
| 8 |
S01 |
MAKING-CANS |
(SQUARE-AREA Q1) |
1 |
0 |
0 |
0 |
0 |
Square-Area |
| 9 |
S01 |
MAKING-CANS |
(POG-AREA Q1) |
2 |
0 |
0 |
0 |
0 |
Circle-Area |
| 10 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q1) |
2 |
2 |
0 |
2 |
1 |
Compose-Areas |
| 11 |
S01 |
MAKING-CANS |
(POG-RADIUS Q2) |
4 |
0 |
0 |
0 |
0 |
Enter-Given |
| 12 |
S01 |
MAKING-CANS |
(SQUARE-BASE Q2) |
5 |
0 |
0 |
0 |
0 |
Enter-Given |
| 13 |
S01 |
MAKING-CANS |
(SQUARE-AREA Q2) |
2 |
0 |
0 |
0 |
0 |
Square-Area |
| 14 |
S01 |
MAKING-CANS |
(POG-AREA Q2) |
3 |
0 |
0 |
0 |
0 |
Circle-Area |
| 15 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q2) |
3 |
0 |
0 |
0 |
0 |
Compose-Areas |
| 16 |
S01 |
MAKING-CANS |
(POG-RADIUS Q3) |
6 |
0 |
0 |
0 |
0 |
Enter-Given |
| 17 |
S01 |
MAKING-CANS |
(SQUARE-BASE Q3) |
7 |
0 |
0 |
0 |
0 |
Enter-Given |
| 18 |
S01 |
MAKING-CANS |
(SQUARE-AREA Q3) |
3 |
0 |
0 |
0 |
0 |
Square-Area |
| 19 |
S01 |
MAKING-CANS |
(POG-AREA Q3) |
4 |
0 |
0 |
0 |
0 |
Circle-Area |
| 20 |
S01 |
MAKING-CANS |
(SCRAP-METAL-AREA Q3) |
4 |
0 |
0 |
0 |
0 |
Compose-Areas |
| 21 |
S01 |
MAKING-CANS |
DONE |
2 |
0 |
0 |
0 |
0 |
Determine-Done |