Table 1.
Between-item pool |
Within-item pool |
|||||
---|---|---|---|---|---|---|
Constraints | Weight | Lower bound | Upper bound | Weight | Lower bound | Upper bound |
Dimension 1—Content 1 | 1 | 3 | 5 | 1 | 5 | 9 |
Dimension 1—Content 2 | 1 | 5 | 7 | 1 | 7 | 13 |
Dimension 1—Content 3 | 1 | 4 | 6 | 1 | 6 | 11 |
Dimension 2—Content 1 | 1 | 5 | 8 | 1 | 6 | 14 |
Dimension 2—Content 2 | 1 | 6 | 9 | 1 | 7 | 16 |
Answer Key-A | 1 | 5 | 10 | 1 | 5 | 10 |
Answer Key-B | 1 | 5 | 10 | 1 | 5 | 10 |
Answer Key-C | 1 | 5 | 10 | 1 | 5 | 10 |
Answer Key-D | 1 | 5 | 10 | 1 | 5 | 10 |
Item exposure control | 1 | 0.2 | 1 | 0.2 | ||
Fisher information | 1 | 1 |
Note. The Fisher information constraint refers to the determinant of the Fisher information matrix.