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My point was that let's say all 1,000 people in their 20s got every question correct, and then you retested them in their 60s and they all got every question wr
by Alex3917 9y ago
My point was that let's say all 1,000 people in their 20s got every question correct, and then you retested them in their 60s and they all got every question wrong. Assuming the sample was representative of the overall population, the group's average IQ would have remained constant at 100.
- KGIII 9y agoThat's not quite accurate. The score adjustments are periodic, not constant. The 100 average is from some years ago, and will be adjusted some time in the future. It is not constantly changing to reflect current scores.