Question Quality (Point Biserial) Color-Coded Quality Levels: What These Patterns Tell You: Practical Application: When you get assessment results back (especially from district or...
Item Analysis (Simplified) What is Item Analysis? Item Analysis is like a report card for your test questions. Just as you evaluate your...
Point Biserial Correlation Point Biserial Correlation measures the relationship between getting a single test question right or wrong and a student’s overall performance on...