Interpret the value of the item discrimination index for item 3 (explain what it means or tells us) ____ ________________________________________________________________________________ ________________________________________________________________________________ ID # Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 BRS Total Score 1 1 3 2 3 3 3 2.5 2 5 5 5 5 5 5 5 3 5 4 4 4 2 3 3.666667 4 5 5 4 5 5 5 4.833333 5 4 5 4 4 5 5 4.5 6 4 3 3 2 4 4 3.333333 7 3 5 5 5 5 5 4.666667 8 3 4 3 3 3 3 3.166667 9 5 5 4 5 5 5 4.833333 10 5 5 4 4 4 4 4.333333 11 5 3 3 5 3 4 3.833333 12 4 4 1 4 4 2 3.166667 13 2 4 3 5 4 5 3.833333 14 2 1 2 2 2 3 2 15 4 3 3 1 3 5 3.166667 16 5 4 5 5 4 3 4.333333 17 1 2 2 4 5 2 2.666667 18 4 5 5 4 4 4 4.333333 19 4 5 4 1 4 4 3.666667 20 5 5 4 3 3 4 4 21 5 4 5 3 5 5 4.5 22 5 5 4 3 3 4 4 23 5 3 3 5 5 2 3.833333 24 5 5 2 4 5 5 4.333333 25 5 5 5 5 5 5 5
Interpret the value of the item discrimination index for item 3 (explain what it means or tells us) ____ ________________________________________________________________________________ ________________________________________________________________________________ ID # Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 BRS Total Score 1 1 3 2 3 3 3 2.5 2 5 5 5 5 5 5 5 3 5 4 4 4 2 3 3.666667 4 5 5 4 5 5 5 4.833333 5 4 5 4 4 5 5 4.5 6 4 3 3 2 4 4 3.333333 7 3 5 5 5 5 5 4.666667 8 3 4 3 3 3 3 3.166667 9 5 5 4 5 5 5 4.833333 10 5 5 4 4 4 4 4.333333 11 5 3 3 5 3 4 3.833333 12 4 4 1 4 4 2 3.166667 13 2 4 3 5 4 5 3.833333 14 2 1 2 2 2 3 2 15 4 3 3 1 3 5 3.166667 16 5 4 5 5 4 3 4.333333 17 1 2 2 4 5 2 2.666667 18 4 5 5 4 4 4 4.333333 19 4 5 4 1 4 4 3.666667 20 5 5 4 3 3 4 4 21 5 4 5 3 5 5 4.5 22 5 5 4 3 3 4 4 23 5 3 3 5 5 2 3.833333 24 5 5 2 4 5 5 4.333333 25 5 5 5 5 5 5 5
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- Interpret the value of the item discrimination index for item 3 (explain what it means or tells us) ____
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| ID # | Item 1 | Item 2 | Item 3 | Item 4 | Item 5 | Item 6 | BRS Total Score |
| 1 | 1 | 3 | 2 | 3 | 3 | 3 | 2.5 |
| 2 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 3 | 5 | 4 | 4 | 4 | 2 | 3 | 3.666667 |
| 4 | 5 | 5 | 4 | 5 | 5 | 5 | 4.833333 |
| 5 | 4 | 5 | 4 | 4 | 5 | 5 | 4.5 |
| 6 | 4 | 3 | 3 | 2 | 4 | 4 | 3.333333 |
| 7 | 3 | 5 | 5 | 5 | 5 | 5 | 4.666667 |
| 8 | 3 | 4 | 3 | 3 | 3 | 3 | 3.166667 |
| 9 | 5 | 5 | 4 | 5 | 5 | 5 | 4.833333 |
| 10 | 5 | 5 | 4 | 4 | 4 | 4 | 4.333333 |
| 11 | 5 | 3 | 3 | 5 | 3 | 4 | 3.833333 |
| 12 | 4 | 4 | 1 | 4 | 4 | 2 | 3.166667 |
| 13 | 2 | 4 | 3 | 5 | 4 | 5 | 3.833333 |
| 14 | 2 | 1 | 2 | 2 | 2 | 3 | 2 |
| 15 | 4 | 3 | 3 | 1 | 3 | 5 | 3.166667 |
| 16 | 5 | 4 | 5 | 5 | 4 | 3 | 4.333333 |
| 17 | 1 | 2 | 2 | 4 | 5 | 2 | 2.666667 |
| 18 | 4 | 5 | 5 | 4 | 4 | 4 | 4.333333 |
| 19 | 4 | 5 | 4 | 1 | 4 | 4 | 3.666667 |
| 20 | 5 | 5 | 4 | 3 | 3 | 4 | 4 |
| 21 | 5 | 4 | 5 | 3 | 5 | 5 | 4.5 |
| 22 | 5 | 5 | 4 | 3 | 3 | 4 | 4 |
| 23 | 5 | 3 | 3 | 5 | 5 | 2 | 3.833333 |
| 24 | 5 | 5 | 2 | 4 | 5 | 5 | 4.333333 |
| 25 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
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