Explain the concept and methods of reliability. Discuss the factors that affect the reliability of a test. What is a diagnostic test? How is it different from an achievement test? Discuss the situations where you can use a diagnostic test for the students to whom you teach. Also state a few items that you would like to include in a diagnostic text.
Understanding Reliability and Diagnostic Testing in Education What is Reliability? Reliability in educational testing refers to the consistency and stability of the test results. A test is considered reliable if it gives the same results under consistent conditions. This means that if a student takes the same test multiple times, their scores should be similar […]