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...
Question Quality Distributions (Point Biserial) Color-Coded Quality Levels: What These Patterns Tell You: Practical Application: When you get assessment results back (especially from district or...
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...
