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