Flynn effect
Flynn Effect
The Flynn Effect (/flɪn ɪˈfɛkt/), named after the New Zealand-based political scientist and intelligence researcher James R. Flynn, is a significant and long-sustained increase in both fluid and crystallized intelligence test scores measured in many parts of the world from roughly 1930 to the present day.
Etymology
The term "Flynn Effect" was coined by the researchers Richard Lynn and Charles Murray to describe the rise in IQ scores over time, which was first documented by James R. Flynn.
Definition
The Flynn Effect refers to the observed rise over time in standardized intelligence test scores, first noted by researcher James R. Flynn in the 1980s. This increase has been observed in many parts of the world and across all age groups, with the most significant increases occurring among the lower half of the IQ range.
Causes
While the exact causes of the Flynn Effect are still a matter of ongoing research, several factors have been proposed. These include improvements in nutrition, changes in the educational system, reduction of infectious diseases, and the increasing complexity of the environment.
Related Terms
- IQ: A measure of a person's intelligence as indicated by an intelligence test.
- Crystallized Intelligence: The ability to use learned knowledge and experience.
- Fluid Intelligence: The capacity to think logically and solve problems in novel situations, independent of acquired knowledge.
- Standardized Test: A test that is administered and scored in a consistent manner to ensure legal defensibility.
See Also
External links
- Medical encyclopedia article on Flynn effect
- Wikipedia's article - Flynn effect
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