People vary in terms of how high or low they are on each of these basic traits. These traits are believed to predict behavior. There is no stable personality that can be measured . Behavior is primarily the result of the situation. This is the alternative viewpoint.
Empirical studies show low levels of test-retest reliability, especially over long periods of time.
The relationship between self-reported trait levels and associated behaviors tends to be moderate to low. People's naive psychology is filled with beliefs about traits. Many trait words in language. Problems in demonstrating stability can be solved and better empirical data are possible. In the 19th century, there was a widespread scientific belief that the shape and size of the skull determined the personality.