Glossary

The Rasch Model is a sophisticated way of analyzing test results that puts both student ability and question difficulty on...

Question Quality and Point Biserial Correlation: What Makes a Good Test Question Point biserial correlation is like a quality check...

A frequency distribution shows you how many students scored at each level on your assessment. It’s basically a way to...

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

Standards Alignment in Assessment Development and Item Analysis Standards alignment in assessment means creating test questions and evaluation tasks that...