Talk:Variability hypothesis

Surprisingly, no discussion of sex chromosomes
The sex chromosomes seem like such an obvious explanation and support for this. The connection was mentioned in an archived talk, but not followed up on: https://en.wikipedia.org/wiki/Talk:Variability_hypothesis/Archive_1#X_Chromosome_Inactivation (unduely lost, in my opinion) Elias (talk) 12:52, 25 June 2021 (UTC)


 * What was not explicitly mentioned in that discussion, but is documented elsewhere on Wikipedia, is the fact that mental abilities are disproportionately X-linked. This goes in line with, and explains, the observation that, as the article observes, IQ scores have greater variability than e.g. height or weight. I think this insight adds very valuable context to the article and should be cross-linked in some way. 109.192.220.240 (talk) 12:21, 7 October 2021 (UTC)


 * The issue here is that we will need to take care to avoid WP:SYNTH. We will need to stick to what reliable sources say. If they make an explicit link to the variability hypothesis then it would probably be worth stating in this article, but if not such a statement would be prohibited. Generalrelative (talk) 13:04, 7 October 2021 (UTC)
 * It's because there is no concrete evidence for "intelligence genes" (in particular the recessive ones, since its the only ones males are more likely to express). Plus females can have "hybrid" traits - the ones that are neither dominant nor recessive, that males simply dont have. This could produce additional combinations that result in high intelligence. And also something as primitive as "the heterezygotic sex is inherently nore variable than the homozygotic one" simply throws epigenetics out in the window. TL;DR real-life trait determination is far more complicated than this model suggests. 37.144.32.195 (talk) 17:04, 18 July 2022 (UTC)
 * Though there is extremely good and reliable evidence for multiple intelligence genes, that doesn't support greater male variability. Males also have hybrid traits. XY isn't necessarily more variable genetically for IQ than XX due to X inactivation mosaicism. BooleanQuackery (talk) 03:42, 1 August 2022 (UTC)

Overemphasis on Leta Hollingworth
I think there is over emphasis on Leta Hollingworth. There are 3 rather large and expansive paragraphs about her whereas for every other scientist there is only a paragraph and no explanation of their studies. Is there a reason why she has such an outsized section? Phoenix1494 (talk) 17:28, 3 August 2022 (UTC)


 * @Phoenix1494Agree! Geysirhead (talk) 10:32, 4 August 2022 (UTC)

Economic
Examine the concept of demand as multifactorial variable 105.113.12.88 (talk) 06:42, 4 May 2023 (UTC)