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Raymond Cattell was a British-American psychologist, known for his psychometric research. It was based on intrapersonal psychological structure. Consequently he put forth ‘Cattell’s 16 Personality Factor Theory’. In addition, his
Big 5 theory of personality is one of the widely popular personality theories. It serves as an integrated system and represents personality description. Moreover, doing so in a common framework instead
Jackson Personality Inventory (JPI) The Jackson Personality Inventory (JPI) was first developed by Douglas N. Jackson in 1976. It was later revised and updated in 1994 as the Jackson Personality