Intelligence age
The term intelligence age was introduced at the beginning of the 20th century by Alfred Binet in connection with the Binet-Simon test in order to be able to compare the intelligence of school children. It describes the average age to be expected for a certain mental performance measured in the intelligence test . In modern psychology, on the other hand, cognitive performance is usually determined via the deviation of the individual value from that of a comparison group (see intelligence quotient ).
history
After the introduction of compulsory schooling in France, Binet developed test tasks that could only be mastered as accurately as possible from a certain age, so that the average age of the population is identical to the age of intelligence.
A difference (lead or lag) between life and intelligence age is much more dramatic at a young age than at an older age. A five-year-old child with intelligence age 4 has a much worse prognosis than a ten-year-old child with intelligence age 9 ( “The scissors are falling apart” ).
This problem prompted William Stern to relate age and intelligence age and thus invent the " intelligence quotient " (IQ):
Similarly, there is a formula for the intelligence age:
For example, if a 10-year-old child has an IQ of 120, he is assigned an intelligence age of 12 years.
This historical definition is no longer used today, see main article Intelligence quotient .
Individual evidence
- ↑ a b teachSam: Intelligence quotient: Overview , accessed on February 18, 2008
literature
- M. Amelang et al .: Differential Psychology and Personality Research. Stuttgart: Kohlhammer, 2006