![]() ![]() As you can see from this example, an unreliable test is worthless as a measuring device. How would you know your true score? A test measuring a stable trait must yield stable results in order to be reliable. Suppose, however, that you scored high today and scored low next week. For example, if you scored high on a test of extroversion today, you would expect to score high on the same test next week or even next year. When measuring personality traits we would expect results to be similar each time the test is taken due to the relative stability of personality. It is best to see reliability as synonymous with consistency. Reliability refers to an test’s ability to yield similar results each time the taken. There are two statistics, however, that every professionally published assessment technique must provide in order to accepted as ‘good’ tests: reliability and validity. ![]() The accuracy of any assessment measure can be quite complicated, with some tests requiring hundreds of statistical analyses just to give you a few simple numbers. Share Tweet Share tumblr reddit How Accurate are Personality Tests? ![]()
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