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🎃💀haunted chick💀🎃 @hbdchick
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"Black fertility [in the u.s.] declined sharply from 1880 to 1940, falling to less than one-half of its initial level."

Black Fertility and Family Structure in the U.S., 1880-1940 journals.sagepub.com/doi/pdf/10.117…
"What makes the fertility decline in the black [pop] of particular interest is that it occurred while the black [pop] was still primarily rural and agricultural and was located in a region of the country not undergoing significant industrialization or large-scale urbanization."
#AmericanNations @JayMan471
"Both black and white child-woman ratios tended to be highest in the southern regions, and lowest in the Northeast." #AmericanNations
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thread of threads of mine from 2018 i'd like to highlight. (^_^)

keep in mind usual: evolution can be recent, rapid, local, is def ongoing. the forces of evolution are: mutation, selection, (gene) migration, and genetic drift. the viscosity of pops matters wrt kin selection. 1/n
core europe. where bipartite manorialism/communal field systems were present during middle ages. significance: along w/small families+low cuz marriage rates, produced pops w/very low viscosity. individuals interacted with/married non-kin more than kin. 2/n
bipartite manorialism pushed for nuclear families in nw europe and did so early. by the 800s tenants on manors in france were living in nuclear families. significance: nw euros have worked/cooperated more w/non-kin than other pops have for 1000+ years. 3/n
Read 26 tweets
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luther finished 30th out of 57 on his bachelor's final exam. harpercollins.com/9780060517601/…
second out of seventeen when he finished his master's program.
"Erasmus had left an Augustinian monastery to see the world; Luther [forsook] the world to enter an Augustinian monastery."

Massing, Michael. Fatal Discord (p. 84). Harper. Kindle Edition.
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eisleben's slag heaps. (eisleben's where luther was from.)
luther was from *eastern* germany (eisleben). #JustSayin
not the most attractive of families, it has to be admitted.
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1/ Cannabis, like all drugs, can harm people. There's a fair argument to be made that we're not doing enough to regulate recreational cannabis to minimize harms. But Alex Berenon's misleading claims about cannabis undermine efforts to improve regulation. wsj.com/articles/marij…
2/ Mr. Berenson claims that cannabis causes psychotic disorders like schizophrenia and that increases in cannabis use have led to more mental illness and more violence, since people with psychotic symptoms are more likely to be violent. These claims are unfortunately misleading.
3/ Mr. Berenson relies on cherry picking quotes from a National Academies of Sciences, Engineering, and Medicine report and conflates different types of mental illness to argue that cannabis is causing population level increases in mental illness. reason.com/blog/2019/01/0…
Read 15 tweets
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(1) Jails are the exact opposite of a therapeutic space for individuals who have serious mental illness. Mental health providers struggle to provide adequte, ethical care. Another case in point--> latimes.com/local/lanow/la… [@Hannahnfry]
(2) My research team is studying the ethics of correctional mental health care. The stories are stunning and disturbing. Patients need care; clinicians need support. journals.sagepub.com/eprint/Pq4cCuN…
(3) Solution: More civil & forensic inpatient beds.
jamanetwork.com/journals/jamap…
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(Thread) Trumps wrecking ball: Lies & victimhood

“Trump doesn’t seem worried to me,” a friend said. “It’s like he has a trick up his sleeve.”

He does have a trick: But it isn’t hidden. It’s in full view:

Lie. Ratchet up the race-baiting—then blame others and be the victim.
1/ When asked whether his rhetoric creates violence, he pointed to the media and “You’re creating violence by your questions.”

washingtonpost.com/politics/2018/…
When humans commit atrocities, the perpetrators of violence often believe they are the victims.
2/ From Snyder👇Trump's trick is to fill the public sphere with fiction, then blame the other side—the Democrats or journalists.

From Jason Stanley and others: When the dominant culture began to lose its dominance, it sees itself as the victim.

Read 21 tweets
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THREAD: 12 Things Everyone Should Know About IQ

1. IQ is one of the most heritable psychological traits – that is, individual differences in IQ are strongly associated with individual differences in genes (at least in fairly typical modern environments). www18.homepage.villanova.edu/diego.fernande…
2. The heritability of IQ *increases* from childhood to adulthood. Meanwhile, the effect of the shared environment largely fades away. In other words, when it comes to IQ, nature becomes more important as we get older, nurture less. pdfs.semanticscholar.org/7a6b/ad93d88b0…
3. IQ scores have been increasing for the last century or so, a phenomenon known as the Flynn effect. journals.sagepub.com/doi/full/10.11… (N ≈ 4 million)

(Note that the Flynn effect shows that IQ isn't 100% genetic; it doesn't show that it's 100% environmental.)
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Adam here doesn't believe that I've read 2+ years of research on Trump supporters. Since many of you have followed along as I've discussed (and conducted) this research, perhaps you can help enlighten him.
For those who are interested, I'll link to a sample of studies examining the psychosocial characteristics of Trump supporters.

1. This study found an assoc between Trump support & a strain of authoritarian thinking called authoritarian aggression.
journals.sagepub.com/doi/abs/10.117…
2. And here's another study documenting an association between authoritarian aggression and support for Trump. This one also found group-based dominance/hostility toward out-groups to be associated with support for Trump.

journals.sagepub.com/doi/10.1177/19…
Read 12 tweets
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**The Fall of California**
The “Golden State” Goes Brown.

1. California isn’t just a place, but a dream.
2. In the American mythos, California represented the end of the journey, the land where the dispossessed & forgotten could start again, where “Okies” who fled the Depression searched for relief & veterans of the WWII discovered a middle-class paradise.
3. And what’s most incredible is that, for a time, that is exactly what California, USA was for so many American Citizens.
Read 90 tweets

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