Technical

This visualization represents a Difficulty Estimate using Rasch Method showing the calibrated difficulty parameters for 20 assessment items. Here are...

Question Difficulty – Rasch Distribution (Technical) In Rasch measurement theory, question difficulty represents the level of ability required for a...

Definition In psychometric analysis, the question difficulty p-value represents the proportion of test-takers who answered a question correctly. Unlike statistical...

The Question Overview provides a comprehensive psychometric analysis of test items, displaying key statistical measures used to evaluate question quality...

Raw score distributions are fundamental tools in educational measurement that show how students performed across the full range of possible...