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"Consider the sorts of policies someone who wanted to maximise productivity in society would develop if it was found that genetics was a greater influencing factor..."

You have somehow completely missed and then parroted back my entire point. If it turns out that genetics plays a key role in intelligence, and therefore intelligence is hereditary, all sorts of nazi-like policies could be theoretically be falsely argued for using that as evidence. Seeing this obvious conclusion, some in the scientific community have become crusaders, trying to squash any debate or research into this topic, making it taboo.

Being taboo, or having very negative or even awful potential consequences doesn't make something true or untrue. The universe doesn't care that the consequences of some fact are moral or immoral.

I am not saying the truth is one way or the other. I am pointing out the willingness on the part of some scientists to refuse to allow investigation because of the potential consequences of knowledge of the truth.




Some? Who? I think that's an unfair accusation.

What I see sometimes in these discussions is people throwing the "hot potato" in the hands of their detractors, people that believe in the difference between groups throw the potato in the hands of the disbelievers and accuse them of being obtuse for trying not to advance an "obvious truth".

The other side just answer by accusing the others of being "racist".

The fact is the data is poor for a significant statistical analysis and for some reason this research has become heavily politicized, this in academia is a good enough reason for some people just ignore this entire field, but I never saw people trying to prevent this type of paper from being publicized or peer reviewed, last time I searched there's various being published every year.

EDIT: typos


Are you serious?

How can you say "that's an unfair accusation." and then in the next line say "The other side just answer by accusing the others of being "racist"."

I agree that there is no consensus, and no evidence that clearly helps determine the truth here. That is why I said it was an "unanswered question" in GGP.

However, we do have some ability to reason about this. Clearly genetics can play a role in intelligence. We don't know if it does between humans, but we do know that it could. Humans are very abnormally (as successful species go) genetically similar, probably because of various population bottlenecks.

So, it could go either way. It is quite obvious to me that there is a very complex interaction between genetics and environment. Some populations benefit from breast feeding, other populations do not. This is genetic. There are clearly some hereditary differences which have a measurable consequence in brain development. To what extent do these explain that one random person might be an idiot, while another might be a genius? I honestly don't know, but we shouldn't shut down debate.


Yes, I am serious, and I am not disagreeing with your point, which as I wrote about in a comment bellow was clarified in your first response to me in this thread, I actually do agree about your last three paragraphs.

It appears however that you stopped reading my comment when you saw this the second quote that you wrote, here what I wrote before:

"What I see sometimes in these discussions is people throwing the "hot potato" in the hands of their detractors, people that believe in the difference between groups throw the potato in the hands of the disbelievers and accuse them of being obtuse for trying not to advance an "obvious truth"."

This type of accusation is fairly serious in academia it's akin to say that you just invented data to fit an experiment, mind that I do not have a side in all this, I'm interested in this as a statistician, my point was to get you to give some names of the people that "have become crusaders, trying to squash any debate or research into this topic, making it taboo." No one was given and I said that say this about a group of people and not give any name is unfair.

Everyone knows about who get accused of being racist, Linda Gottfredson for example who received grants from the Pioneer Fund, I do not know about others that received grants from this Fund but I can say about Gottfredson, she came to Brazil two years ago and talked to an audience of students in Brazil, some of whom have visible African ancestry and I can attest she's not racist, she does not differentiate people because of their ancestry and do not act different answering questions of asian-brazilians, people with jewish surnames or afro-brazilians, she's honest her research and that's all.

Mind also that I have spent some time in academia and the majority of people I saw really hates politicized research, there's exceptions of course, some social scientists, historians, some legal scholars and economists, but I did not count psychologists in this group. As I said to you I asked some psychologists to provide papers some of them fairly recent.

This was my last comment in this thread it was a good discussion.


Refusal to allow investigation? According to these papers, their has been very extensive investigation with a largely null conclusion. However people continue to push the idea that intelligence is genetic.


A null result doesn't prove that intelligence is not genetic, it only says that whatever genetic components there may be have not yet been disentangled from other genetic and environmental influences.

Edit: Also, another HN commenter raised the possibility that the authors of the present study may themselves be biased (https://news.ycombinator.com/item?id=4257220).




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