What Is an Experiment? Lessons from a Fake Knee Surgery
A surgeon performed fake knee surgeries to test if the real ones worked. They didn't. Learn how experiments separate what works from what we believe works.
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A surgeon performed fake knee surgeries to test if the real ones worked. They didn't. Learn how experiments separate what works from what we believe works.
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A CloudResearch study shows that pairing Sentry's behavioral screening with Verisoul's device-level fraud detection flagged 84% of low-quality respondents.
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CloudResearch detected autonomous AI agents attempting to complete surveys — less than 0.1% of traffic, but a clear signal. Here's what we're seeing and what it means.
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AI agents can now take surveys with one prompt — and 30–40% of online surveys are already fraudulent. The Bot Olympics is the industry's $50K answer.
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How did scientists prove smoking causes cancer without running an experiment? Learn the logic of causal inference and how to build a case when experiments aren't possible.
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CloudResearch is retiring the MTurk Toolkit by end of 2026. Learn why we're sunsetting the product, what it meant to us, and how Connect, Engage, and Sentry are the future of high-quality survey research.
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Not every data quality problem in survey research is a bot problem. Learn the four-part taxonomy — Bots, Cyborgs, Zombies, and Humans — and why the distinction matters.
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Post-collection bot detection hands researchers a magnifying glass. CloudResearch explains why preventing AI infiltration before data collection is the only real fix.
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Learn how behavioral scientists use correlational research to find real patterns in human behavior—and avoid the traps our brains set for us.
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What are reliability and validity in research? Learn the foundations of measurement through Thomas Edison's famous failure—and a 2023 polling disaster.
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