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Author: Edward L Platt

Photograph of an assortment of colorful dice

Statistical Inference and (In)correctness

August 2026

GenAI’s deceptively plausible outputs make it dangerously easy to overlook its limitations.

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Reliable GenAI and Perpetual Motion

May 2026

Researchers rushing to adopt AI without understanding the limitations risk committing scientific misconduct.

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A visualization with colored layers stacked on top of each other. Each layer starts at the bottom, grows in height, and fades out. Several prominent peaks stand out, and most are colored blue/promoted. A cutout diagram of one region shows closely stacked non-promoted posts, and a promoted post with a red portion before its promotion and a blue region during.

Visualizing the Algorithm

December 2025

At CAT Lab, data visualizations and data art build intuition and encourage us to look at online communities from new perspectives.

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A box and pointer diagram showing the components of the CivilServant system. Components are divided into problem scoping & study design, data collection & storage, experiment deployment & management, and results analysis & reporting. Shows interaction with reddit, twitter, lumen, and 3rd-party moderation tools.

CivilServant: Citizen Science for Online Communities

October 2025

Moderators of online communities, often volunteers, work hard to protect their communities from harassment, misinformation, trolls, and other online harms. But which policies and procedures actually work?

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Image of a partially woven rug. Vertical white threads are visible on top half of the image and covered by horizontal colored threads creating a pattern on the bottom half.

Working with Data at CAT Lab

October 2024

We’ve released a guide for collaborators, students, and anyone who wants to steward research data the CAT Lab way.

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On a light blue background with puffy white clouds and squiggly lines representing wind, three abstract robot arms use two pronged claws to grab at red or blue circles, while others have drill arms that are idle at the moment. It is not clear what the robots are building, but it may be part of an abstract computer circuit to the left

Independent Verification of Platform API Reliability

April 2024

How can researchers verify the claims made by technology platforms about data access when the realities of access may depend […]

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The silhouette of a person attempts to tape together a cracked speech bubble

The Surprising Outcome of Community Moderation in Reddit Politics Discussions

April 2024

How can democratic societies host hard conversations about our conflicts in ways that keep important conversations going rather than shut […]

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Using Content Moderation to Improve Discourse on Reddit

March 2024

How can democratic societies host hard conversations about our conflicts in ways that keep important conversations going rather than shut […]

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Seven people work together on different parts of a project. One person waters flowers growing out of a giant head. The petals are light bulbs. Another stands on a ladder holding a giant pencil while one holds up a picture of a mountain and sun. One person looks for a tool in their tool box and another uses a calculator to do complex equations. One person sits in the shadow of a second giant head with her legs crossed, working at her laptop. The last person swings above the giant head holding a megaphone.

CAT Lab’s Recommendations to the White House on AI Safety and Innovation

December 2023

Last week, CAT Lab submitted recommendations to the US Office of Management and Budget on how to advance governance, innovation, and […]

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Liveblog: FediForum, September 2023

October 2023

Recently, the second FediForum brought together (virtually) a diverse group of attendees to discuss the current state and future direction […]

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