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I thought it had been shown over and over again that Iq had more to do with it than your upbringing?

it has. there’s twin studies where they are adopted to differnt families and yet end up scoring the same on IQ tests later in life and end up with similar levels of educational attainment and income etc

If I used to do arithmetic mentally or by hand and you gave me a basic adding calculator that let me do the math more quickly, would my increased productivity really signify anything w.r.t. my intelligence?

Technology is amplifier, not a replacement.

It can be both.

>Yes there might be a corellation between how good you do on an IQ test and how “smart” you are but I think over and over again your background/upbringing had been show to influence that more than your “smartness”.

The background/upbringing influences one's performance in IQ tests too, so the point is moot.

>If the question is: do we think in different way than we did 50 years ago? I think the answer is a stong yes.

Not in the slightest.

>The technology and the tools we have today enable us to do things that were unconcievable 50 years ago.

Which is neither here not there when it comes to intelligence. Plus we still do things we did 50 and 100 and 100000 years ago and still need to be good at them...