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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
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
The Children’s Apperception Test (CAT) is a projective personality test designed to assess individual variations in children’s responses to standardized stimuli. It was developed by Leopold Bellak and Sonya Sorel Bellak in