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AP Psych Unit 11
Testing and Individual Differences
| Term | Definition |
|---|---|
| Operational definition | A description of the presence of a variable, and the method/procedures in which a variable is measured or absorbed. |
| Intelligence | Aggregate or global capacity to act purposefully, to think rationally, and to deal effectively with the environment. |
| Psychometrics | Measuring the mind. |
| Psychometricians (Measurement Psychologists) | Focus on methods for acquiring and analyzing psychological data; measure mental traits, abilities, and processes. |
| John L. Horn | |
| Raymond Cattell | |
| Fluid Intelligence | those cognitive abilities requiring speed or rapid learning that tend to diminish with adult aging. |
| Crystallized Intelligence | learned knowledge and skills, such as vocabulary, which tend to increase with age. |
| Flynn effect—steady increase in performance on IQ tests over the last 80 years, possibly resulting from better nutrition, educational opportunities, and health care (favoring nurture) |