Learning Outcome

At the end of this chapter, the students will be able to:

   Define the Nature of validity, approaches to test validation and factors influencing validity

   Identify the Content, criterion and constructed related

   Describe the evidences

   Describe the Nature of reliability.

   Determine Determining reliability by correlation methods

   Describe the Standard error of measurement.

   Describe the Factors influencing reliability measures.

   Determine the Reliability of criterion - referenced mastery tests.

   Determine how high should the reliability be?

   Determine the Usability.