Drop in: 1. logic and vocabulary. 2. visual problem solving and analogies 3. computational and mathematical abilities
Increase in: 1. scores in spatial reasoning (known as 3D rotation)
"And, it should be said, there has long been debate over how accurately IQ tests are able to gauge overall intelligence and potential for success in society in the first place."
That's not what this psychologist concluded:
"Top psychologist: IQ is the No. 1 predictor of work success"
https://www.cnbc.com/2022/07/11/does-iq-determine-success-a-...
Anyway, I don't think it's bad to just admit that people intelligence is declining. The world has evolved such that you need less of it to get by.
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