Question Analysis (Technical)
The Question Analysis module in OnTarget provides psychometric evaluation of test items through two primary statistical measures: P-value (difficulty) and...
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How does OnTarget Determine if an Assessment is Valid And Reliable?
OnTarget performs a statistical analysis that evaluates each response from each student who took the assessment. Individual students’ performance is... -
How to interpret P-Values
Definition (Assessment Context): p-value = proportion of students who answered the item correctly. It ranges from 0 to 1: A low p-value (close to... -
Question Quality Distribution Point Biserial Correlation (Technical)
The Question Quality Frequency Distribution chart displays the distribution of point biserial correlation coefficients across test items, providing a comprehensive... -
Question Quality Distribution Point Biserial Correlation (Simplified)
What This Chart Means for Your Classroom As educators, we want our assessments to truly measure what our students know....