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waveman comments on Open thread, Oct. 03 - Oct. 09, 2016 - Less Wrong Discussion

4 Post author: MrMind 03 October 2016 06:59AM

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Comment author: Lumifer 11 October 2016 07:55:56PM 1 point [-]

I don't see any ongoing segregation (though, interestingly enough, some Black movements nowadays are trying to revive it, in some places even successfully).

I've mentioned Jews upthread -- they were very consistently discriminated against until after the WW2. Did they have similar outcomes?

On the other hand you have SubSaharan Africa which is doing pretty badly by pretty much any criterion. That includes countries which were colonies only for a very very short period (such as Ethiopia, which is also mostly Christian and the former Emperor of which traced a direct lineage line to King Solomon and Queen of Sheba).

Do tell: What is the most important factor? Why?

Genetics, in particular IQ. Why? IQ is really really important.

Comment author: Brillyant 11 October 2016 08:16:45PM *  -1 points [-]

I don't see any ongoing segregation

Not backed by the gov't through the present day but, as you mentioned, since WW2 and certainly long after slavery ended.

But discrimination based on race is still very common. I cited the study showing resumes with black sounding names receive significantly fewer callbacks than resumes with white sounding names...

You've not mentioned this study in your replies—Is this sort of discrimination not consequential in your view?

IQ is really really important.

As a bit of a thought experiment, can you imagine a scenario in a society where a high IQ group of people was discriminated against to the extent where they couldn't overcome the discrimination, despite their advanced higher IQ?

How would the circumstances be different than what blacks have faced in the U.S.? How would they be similar?

Comment author: Lumifer 11 October 2016 08:38:20PM 2 points [-]

Is this sort of discrimination not consequential in your view?

I don't know about the study, I have a generic suspicion of social sciences studies, especially ones which come to highly convenient conclusions, and hey! they happen to have a what's politely called "replication crisis". I am not interested enough to go read the study and figure out if it's valid, but on my general priors, I believe that people with black names will get less callbacks. However it seems to me that people with names like Pham Ng or Li Xiu Ying will also get less callbacks. People certainly have a bias towards those-like-me, but it's not specifically anti-black, it's against anyone who looks/feels/smells different.

can you imagine a scenario in a society where a high IQ group of people was discriminated against to the extent where they couldn't overcome the discrimination, despite their advanced higher IQ?

Sure.

How would the circumstances be different than what blacks have faced in the U.S.?

Um, the IQ would be different? It's not a mystical inner quality that no one can fathom. It's measurable and on the scale of large groups of people the estimates gets pretty accurate.

On the clearly visible level there would be very obvious discrimination -- quotas on admissions to universities, for examples. These discriminated-against people would be barred from reaching high positions, but at the level they would be allowed to reach they would be considered very valuable. Even if, for example, such people could not make it into management, managers would try to hire as many of them as possible because they are productive and solve problems.

As to similarities, I was about to write that the discriminated-against will never rise to the highest positions in the society, but oh look! there is that Barack Hussain fellow...

Comment author: waveman 11 October 2016 11:24:49PM 1 point [-]

As an example of how such discrimination can be rational and indeed reasonable...

You have a resume. It provides some noisy data about someone. Including that person's race. Let's trim it down. You have an IQ test result and the person's race. Let's say that two candidates has the same IQ in the test, but one came from a group known to have a significantly lower IQ on average.

If we assume that an IQ test result has any measurement noise - and they do - then the Bayesian conclusion is the candidate from the group with higher average IQ is likely to actually have a higher IQ.

Now resumes constitute very noisy data. People often even lie in their resumes. There are large differences between groups in the US. The dispute is about the reasons for the differences not whether they exist.

A study would need to overcome these effects to demonstrate irrational discrimination. They would need to show that e.g. there was consistent out-performance for the group discriminated against post recruitment.

Comment author: Lumifer 12 October 2016 04:37:31PM *  0 points [-]

The two kinds of discrimination -- (1) because I prefer people-like-me, and (2) because I have informative priors about groups -- can perfectly well co-exist.