Developed by renowned psychologist, Dr. Raymond Cattell, fluid intelligence and crystallized intelligence defines how knowledge is gained, stored and used over a lifetime.
Fluid Intelligence
Crystallized Intelligence
Summary Biography of Dr. Cattell
- 1905 Born in England
- Earned BS in Chemistry from University of London at the age of 19
- Earned Ph.D. in Psychology from University of London
- 1938 Professor at Clark University
- 1941 Professor at Harvard University
- 1945 Professor at University of Illinois, established a research department
- 1973 Retired
Verywell Mind
Cattell’s List of Personality Factors
- List of 16 core traits that influence behaviors known as a person’s personality
- Widely used in questionnaires by corporations and institutions for personnel selection, career counseling, and clinical therapy planning
- Based on psychologist Gordon Allport’s original categorization of 4,000 words
- Cattell’s position was that all 16 traits are inherent in each person at varying degrees of intensity
- Includes Emotional stability, Perfectionism, Privateness, Reasoning, Sensitivity, and Liveliness, among others.
Verywell Mind
Origins of Fluid and Crystallized Intelligence
- Report addresses whether Fluid and Crystallized Intelligence originated with Dr. Hebb or Dr. Cattell
- 1941 – Psychologist Donald Hebb presented notion of Intelligence A and Intelligence B
- Cattell adopted and used Hebb’s ideas of Intelligence A and Intelligence B to develop concepts of fluid and crystallized intelligence
- 1943 – Cattell wrote that Hebb independently stated clearly what constitutes the majority of the theory
Free Online Measure of Personality Factors
- Personality test consisting of 164 statements
- Time to complete is approximately 10 minutes
- Test is for educational purposes only
Open Psychometrics
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