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![gonglei89 Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::532488124.png) Lei Gong [@gonglei89](/creator/twitter/gonglei89) on x 17.6K followers
Created: 2025-07-22 21:23:55 UTC

@HannsBursell @kerd50659461 @ThePoliEcon That’s effectively the objective logical conclusion. If you can’t tell the difference after X SD that means the metric is not measuring anything after that point. The problem with concepts like IQ is external validity.


XX engagements

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[Post Link](https://x.com/gonglei89/status/1947769602114732531)

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gonglei89 Avatar Lei Gong @gonglei89 on x 17.6K followers Created: 2025-07-22 21:23:55 UTC

@HannsBursell @kerd50659461 @ThePoliEcon That’s effectively the objective logical conclusion. If you can’t tell the difference after X SD that means the metric is not measuring anything after that point. The problem with concepts like IQ is external validity.

XX engagements

Engagements Line Chart

Post Link

post/tweet::1947769602114732531
/post/tweet::1947769602114732531