Doug has a lower than average IQ score, but both of his grandsons have been identified by their school as gifted. This trend is known as the Flynn effect.
The “Flynn impact” refers back to the observed upward thrust through the years in standardized intelligence check rankings, documented by Flynn (1984a) in a look at intelligence quotient (IQ) score gains inside the standardization samples of successive variations of Stanford-Binet and Wechsler intelligence checks.
An instance of the Flynn impact is IQ rankings elevated by thirteen.8 factors from 1932 to 1978. A comparable charge of growth was found from 1972 to 2006.
The Flynn effect refers to a mundane growth in populace intelligence quotient (IQ) determined at some stage in the 20 th century (1–4). The adjustments had been rapid, with measured intelligence generally increasing around 3 IQ factors per decade.
Learn more about the Flynn effect here: https://brainly.com/question/10607327
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