Validity and Reliability
by Dayana Edeh
1. Reliability is the degree to which an assessment tool produces stable and consistent results.
1.1. New node
2. Why is it neccessary
2.1. While reliability is necessary, it alone is not sufficient. For a test to be reliable, it also needs to be valid
3. A test is valid when it measures what it’s supposed to. How valid a test is depends on its purpose
3.1. New node
