Meta-analysis: People learn practically nothing about politics on social media.

https://academic.oup.com/joc/advance-article-abstract/doi/10.1093/joc/jqac034/6726545?redirectedFrom=fulltext&login=false

Meta-analysis: Discussion and debate increases political knowledge

"The results, based on 163 research findings from 134 independent studies (N = 412,933), indicate positive and significant mean effect sizes of r = .15 for discussion frequency, r = .1 for discussion heterogeneity, and r = .18 for discussion network size."

https://journals.sagepub.com/doi/10.1177/0093650219866357

Left-wing social media dominance by the numbers

Partisan differences in social media use show up for some platforms, but not Facebook
https://www.pewresearch.org/fact-tank/2021/04/07/partisan-differences-in-social-media-use-show-up-for-some-platforms-but-not-facebook/

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#LeftWing #RightWing #SocialMedia
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How Most Millionaires Got Rich

"More than two-thirds of individuals with a net worth of $30 million or more are considered “self-made.” "

"Further, a second study by Fidelity Investments found that 88% of all millionaires are self-made, meaning they did not inherit their wealth."

https://www.businessnewsdaily.com/2871-how-most-millionaires-got-rich.html

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#money #rich #SelfMade #inherit
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Understanding Greater Male Variability

https://inquisitivebird.substack.com/p/understanding-greater-male-variability

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#men #SexDifferences
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Another W for the trait purity of g.
https://sci-hub.ru/https://doi.org/10.1162/jocn_a_00776

meta-analysis of RCTs finds that ritalin / methylphenidate / amphetamines are not shown to have any significant effect on working memory after correcting for publication bias.

Amphetamines of course decrease sleepiness, and increase motivation, energy, and focus; with working memory as a prime basis of g, this is basically causal evidence that these things do not influence intelligence.

“Race and ethnicity are now more important than either family income or parental education in accounting for [SAT] score differences.” White and Asian students from the poorest families perform at same level as black students from the wealthiest families.

Based on a sample of 1.1 million students, the study finds that of all possible factors affecting SAT performance, race has become "the strongest predictor."

The Growing Correlation Between Race and SAT Scores: New Findings from California by Saul Geiser
https://cshe.berkeley.edu/publications/growing-correlation-between-race-and-sat-scores-new-findings-california-saul-geiser

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#race #income #education #SAT #intelligence
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Blacks in the US report higher self-esteem than whites, not the lower self-esteem posited by stereotype threat.

"Most of these differences were smallest in childhood and grew larger with age. Blacks' self-esteem increased over time relative to Whites.'"
Race and self-esteem: meta-analyses comparing whites, blacks, Hispanics, Asians, and American Indians and comment on Gray-Little and Hafdahl (2000)
https://pubmed.ncbi.nlm.nih.gov/12002695/

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#race #SelfEsteem
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Data dump on race and hobbies

https://twitter.com/TruueDiscipline/status/1578664136312881152

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#race #hobby
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Yet another study that fails to find stereotype threat on standardized testing: "Findings revealed a lack of strong evidence for the effect of [stereotype threat]."

Converging Evidence that Higher Trait Working Memory Capacity aids Standardized Test Performance under Race Related Stereotype Threat
https://www.researchgate.net/publication/344399848_Converging_Evidence_that_Higher_Trait_Working_Memory_Capacity_aids_Standardized_Test_Performance_under_Race_Related_Stereotype_Threat

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#SteryotypeThreat
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Does honey actually work against coughing?

https://kirkegaard.substack.com/p/does-honey-actually-work-against

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#honey #coughing
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Fraud, Incompetence, or Both?
A Retrospective on Turkheimer & Giangrande (2021)

https://cremieux.medium.com/fraud-incompetence-or-both-d46c6fbc0551

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#race #heritability #ScarrRowe
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Meta-analysis of sex differences in sex drive, pooled from >200 studies and >600k individuals.

Overall, they estimate that males have higher mean sex drive with a moderate to large effect size (0.5-0.7 SD)

https://researchgate.net/publication/361175924_Sex_drive_Theoretical_conceptualization_and_meta-analytic_review_of_gender_differences

Research credibility and group differences

https://kirkegaard.substack.com/p/research-credibility-and-group-differences

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#differences #SexDifferences #race #bias
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National Intelligence - The Best Predictor Of Economic Growth
https://m.youtube.com/watch?v=jYQLqC-YLkw

A very basic introduction to the hereditarian position on race and iq

Rebutting the Environmentalist Claim That 'Race Is Purely a Social Construct'

https://mobile.twitter.com/PaoloShirasi/status/1557194886147088384

https://archive.ph/j1VNr

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#race #SocialConstruct
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Genetic variants underlying differences in facial morphology in East Asian and European populations

https://www.nature.com/articles/s41588-022-01038-7

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#genetics #race #face #morphology
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Where the genome meets the connectome: Understanding how genes shape human brain connectivity

https://www.sciencedirect.com/science/article/pii/S1053811921008430

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#genetics #brain
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Professor Helmuth Nyborg, European Civilisation Under Siege

https://m.youtube.com/watch?v=hYvNvyVupgM

Poverty doesn't run in families because having poor parents causes people to grow up and be poor themselves. Poverty runs in families mostly due to genes.

On Generational Poverty
https://seanlast.substack.com/p/on-generational-poverty

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#poverty #genetics #family
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