Can I read Test Score Interpretation Guide on EtoBox?
Test Score Interpretation Guide by Nur Hikma is a document available to read on EtoBox.
What is Test Score Interpretation Guide about?
The document discusses test validity and how to calculate the point bi-serial correlation coefficient (rpbi) to assess item validity. It provides the formula for rpbi and explains the variables. It then gives steps to calculate rpbi for each item: 1) determine proportion of testees answering the item correctly (p) and incorrectly (q), 2) calculate the mean total score (Mt) and mean score of those answering correctly (Mp), 3) plug values into the rpbi formula to obtain the item validity coefficient for each
- Author
- Nur Hikma
- Language
- EN