↑ Trochim, William MK. "Reliability".CS1 maint: Uses authors parameter (link)
↑ "Glossary of Important Assessment and Measurement Terms (reliability)". National Council on Measurement in Education. It is the characteristic of a set of test scores that relates to the amount of random error from the measurement process that might be embedded in the scores. Scores that are highly reliable are accurate, reproducible, and consistent from one testing occasion to another. That is, if the testing process were repeated with a group of test takers, essentially the same results would be obtained. Various kinds of reliability
↑ Carlson, Neil R และคณะ (2009). Psychology: the science of behaviour (4th Canadian ed.). Toronto: Pearson. ISBN978-0-205-64524-4.CS1 maint: Uses authors parameter (link) CS1 maint: Explicit use of et al. (link)
