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Cognitive Bias in Forensic Pathology Decisions was published today by Journal of Forensic Sciences

 From the abstract “We examined all death certificates issued during a 10-year period in the State of Nevada in the United States for children under the age of six.” /2
We also conducted an experiment with 133 forensic pathologists in which we tested whether knowledge of irrelevant non-medical information that should have no bearing on fo- rensic pathologists’ decisions influenced their manner of death determinations. /3
The dataset of death certificates indicated that forensic pathologists were more likely to rule "homicide" rather than "accident" for deaths of Black children relative to White children. /4
“Participants read a vignette describing a not straightforward or simple case in which a 3.5-year-old child was presented to an ED with diminished vital signs and who died shortly after arrival. /5
In the vignette, the caretaker described finding the toddler unresponsive on the floor of a living room. Postmortem examination determined that the toddler had a skull fracture and subarachnoid hemorrhage of the brain. /6
By random assignment, each pathologist read one of two vi- gnettes, which were identical apart from two pieces of information: some were told that the child was African-American and that the care- taker was the mother's boyfriend /7
whereas the other pathologists were told that that child was White and that the caretaker was the child's grandmother. To be consistent with typical medical information, the race of the child was stated, but the race of the caretaker was not explicitly stated. /8
In the Black condition, pathologists were about 5 times more likely to rule the death as a "homicide" rather than an "accident" (35.4% vs. 6.2%), but in the White condition, the results were the opposite: /9
A dataset of death certificates in NV revealed that Black children, relative to White children, were more often judged as victims of homicides rather than accidents. /10
The experimental data, along with the death certificate data, taken together, show that even highly trained professional scientists can be biased in their decisions. /11

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The paper does NOT evaluate the effect of school closures. Instead it conflates all ‘educational settings' into a single category, which includes universities.
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The paper primarily evaluates data from March and April 2020. The article is not particularly clear about this limitation, but the information can be found in the hefty supplementary material.
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The effect of individual interventions is extremely difficult to disentangle as the authors stress themselves. There is a very large number of interventions considered and the model was run on 49 countries and 26 US States (and not >200 countries).
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Benedikt Kuhnhaeuser
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The calamoid palms 🌴 have over 500 species spread across the world, but their higher-level relationships were a bit of a mystery. Until now.

Out today in #MolecularPhylogeneticsAndEvolution:

A robust phylogenomic framework for the calamoid palms https://t.co/JiCbSUlheH

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First some background info, so that you know what we are talking about:

Calamoid palms look a bit like snakes 🐍 (don't they!?!), because their fruits are covered in overlapping scales. And with their often fierce spines, they are equally fearsome. 😱

2/10


They are classified into 17 genera, 10 subtribes and 3 tribes. They have an amazing variety of growth forms, from stemless to climbing to tree habit. 🌱🌴

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But as I said, their relationships have been a bit of a mystery. Here's the varying relationships previous studies found over the last 20 years.

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We tackled this mystery with a phylogenomic approach: we sampled almost a thousand genes (a hundred times more than previous studies!) of 75 species representing all calamoid tribes, subtribes and genera.

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foone
foone
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attach this end to ground, this end to +5v, and this end to THE VOID

I accidentally made all the capacitors gigantic and they won't fit anymore

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gonna design an ISA card using some of these

it's gonna be tricky to fit in the case


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Michael Adebayo \U0001f1f3\U0001f1ec\U0001f1eb\U0001f1f7
Michael Adebayo 🇳🇬🇫🇷...
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Wonder why your Ph.D./Master's application is being rejected?

Here are some insider reasons (from a committee member) that result in such "Love Letters" 👇

- A Short Thread

1) First, you should know that sometimes, an independent reviewer is required (especially in the US) to review applications even after PIs must have selected their candidates. So, even if any bias slips through the PI, the independent reviewer will pick it up.

2) Having said this, there are three major issues that application reviewers/committees often find with your application. These three components make your applications almost challenging to assess.

3) NUMBER ONE - Incomplete Applications

This occurs when you do not upload the requested documents needed to evaluate your file. Think of a candidate that did not send a GRE score when the institution clearly requires it for admission.

4) NUMBER TWO - Error laden Essays

This is particularly interesting because based on reports from this resource person, it is not particularly about how little your experience is but how you communicate it error-free or at least extensively minimized. This gives headache!
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Gem,Mummy to 6yr \U0001f3c6\U0001f947 Scientist & outdoor educator
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Go to https://t.co/fAM7lPSznm to watch my film. I love Rockpooling now as a hobby & I have got Mummy & Daddy into it too. I have learnt loads about marine life over the last year & Elizabeth @marinemumbles has shared her ❤️ of the oceans with me. I LOVE crabs 🦀 🦀🦀!!

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to some amazing #SciArt, @BryonyMathew for releasing some fabulous books to help raise aspirations, @Astro_Nicole & @Victrix75 for allowing her to interview them as part of #worldspaceweek & @AmeliaJanePiper for the ongoing support since she won the SciComm presenter competition.

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