Item Analysis Calculator DEPED
Introduction & Importance
Item analysis calculator DEPED is an essential tool for educators and test developers to analyze the performance of individual test items…
How to Use This Calculator
- Enter the item score in the ‘Item’ field.
- Enter the total number of test-takers in the ‘Total’ field.
- Select the difficulty level of the item.
- Click ‘Calculate’.
Formula & Methodology
The calculator uses the following formula to calculate the item difficulty (D): D = (X – 1) / (N – 1), where X is the item score and N is the total number of test-takers…
Real-World Examples
Data & Statistics
| Item | Total | Difficulty | Discrimination |
|---|---|---|---|
| 1 | 100 | 0.4 | 0.3 |
| Test-Taker | Item Score | Total Score |
|---|---|---|
| 1 | 20 | 80 |
Expert Tips
- Always ensure the item difficulty is within the acceptable range (0.2 to 0.8).
- Use the calculator to identify poorly performing items and adjust them accordingly.
- Regularly review and update test items to maintain their validity and reliability.
Interactive FAQ
What is item difficulty?
Item difficulty is a measure of the proportion of test-takers who answered an item correctly…