Eyewitnesses to a crime can either make or break a case depending on what they can recall. Internal Reliability. This replication involves repeating a research […] A personality test should produce … How consistently a method measure over time when repeated. Reliability refers to how consistent the results of a study are or the consistent results of a measuring test. https://www.betterhelp.com/advice/psychologists/what-is-reliability-psychology However, formal psychometric analysis, called the item analysis, is considered the most effective way to increase reliability. Terms in this set (12) Reliability. Reliability refers to the consistency of a measure of a concept. Define reliability, including the different types and how they are assessed. This can be split into internal and external reliability. External Reliability. Reliability is the degree to which a test gives the same results each time that it is used, assuming that the thing being measured does not change. The Psychology of Being Reliable. Internal reliability refers to how consistent the measure is within itself. The results of a research study are reliable if, when the study is replicated, the same results are consistently found. Consistency. Reliability: Reliability means consistency. Eyewitness Testimony has been a controversial topic in court cases for as long as I can remember. The American Psychological Association (APA) is a scientific and professional organization that represents psychologists in the United States. Put simply, being reliable means that if you say you will do something, you will do it. How consistently a method measures within itself. Being reliable is one of the most valued traits in a person. Reliability may be improved by clarity of expression (for written assessments), lengthening the measure, and other informal means. https://study.com/academy/lesson/reliability-and-validity.html The extent to which the findings can be repeated. 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