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

Assessment validity means your test, quiz, or assignment actually measures what you think it’s measuring. In other words, does your assessment...

A p-value is a number that helps you determine whether the results you’re seeing are likely due to chance or if they...

Cronbach’s Alpha: A Simple Guide for Teachers Cronbach’s Alpha is a statistical measure that tells you how well the different questions...

Point Biserial Correlation measures the relationship between getting a single test question right or wrong and a student’s overall performance on...