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Evan Giangrande

@evangiangrande.bsky.social

246 followers 149 following 49 posts

Assistant Professor of Clinical-Community Psychology, University of South Carolina Psychiatric & Behavioral Genetics | Psychotic Disorders | Cog Development | Longitudinal Modeling Chair of Behavior Genetics Association Public Science Committee

Posts Replies Media

Evan Giangrande @evangiangrande.bsky.social · 22/06/2026

Professor Giangrande at your service! Extremely excited to be joining the University of South Carolina as a tenure track Assistant Professor of Clinical-Community Psychology. Major thanks to the many wonderful folks who’ve supported me in my academic journey. Can’t wait to take this next step!

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Evan Giangrande @evangiangrande.bsky.social · 16/05/2026

To improve awareness of the Preprint Problem among readers, I suggest that preprint servers can clarify the extent to which content moderation has or has not occurred, using PsyArXiv as an example.

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Evan Giangrande @evangiangrande.bsky.social · 16/05/2026

Regarding moderation, the paper acknowledges that preprint servers screen submissions. I also note that they likely do not have the content moderation infrastructure needed to differentiate fringe weaponizations from legitimate preprints.

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Evan Giangrande @evangiangrande.bsky.social · 16/05/2026

In thinking about how to respond, we don’t want to interfere with the preprinting process:

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Evan Giangrande @evangiangrande.bsky.social · 15/05/2026

The Preprint Problem is indicative of a broader effort to weaponize tools that drive legitimate scientific inquiry. Adequate response will require a concerted effort among behavioral geneticists and individuals in related fields.

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Evan Giangrande @evangiangrande.bsky.social · 15/05/2026

Preprints received substantial online engagement, with some downloaded thousands of times. Most went unpublished or ended up in obscure/fringe outlets, but some were published in mainstream journals.

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Evan Giangrande @evangiangrande.bsky.social · 15/05/2026

Preprints often focused on controversial phenotypes, particularly intelligence and related traits. Publicly available and federally funded data sets were often analyzed.

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Evan Giangrande @evangiangrande.bsky.social · 15/05/2026

Using a conservative definition of “fringe” as having published in Mankind Quarterly, I show how fringe authors use preprints to perpetuate widely debunked theories about group differences in behavior. Preprints offer a superficial appearance of legitimacy without peer review.

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Evan Giangrande @evangiangrande.bsky.social · 18/12/2025

Had lunch with a legend, Francis Collins! Was great to hear his perspective on the state of scientific research and the importance of communication/public engagement. Thanks @broadinstitute.org for facilitating

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Evan Giangrande @evangiangrande.bsky.social · 23/05/2025

Global functioning is used widely to inform treatment and prognosis. In our sample, GF scores were associated with important severity- and course-related variables including hospitalization burden and cognitive performance.

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Evan Giangrande @evangiangrande.bsky.social · 23/05/2025

We addressed those gaps using the SUPER-Finland study, which includes linked register data for every single psychiatric hospitalization in Finland since 1969. Global functioning has been assessed routinely at inpatient admission and discharge nationwide since 1994. A peek at the raw GF scores:

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Evan Giangrande @evangiangrande.bsky.social · 23/05/2025

Leveraging ~120k GF measures from a complete hospitalization register, we found that higher SZ PGS predicted worse GF at admission & discharge, and less functional improvement during hospitalization. Higher EA PGS predicted better discharge GF and greater improvement, but worse admit GF

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Evan Giangrande @evangiangrande.bsky.social · 16/12/2024

Love a cheeky badge ribbon @broadinstitute.org

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