Stephen Downes

Knowledge, Learning, Community
This article describes a number of studies on the effectiveness of what the author calls 'friction bots' - chatbots that emulate difficult people (for example, the person who agrees with everything but won't execute the plan). Overall: "role-playing has been proven time and time again to be good for learning. Rehearsal is good for the brain, too. lLM’s are really good at mimicking human beings. Human-human “simulations” are great! We shouldn’t abandon them. But what LLM’s may introduce is a way to scale the practice."

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Stephen Downes Stephen Downes, Casselman, Canada
stephen@downes.ca

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Last Updated: Jul 20, 2026 08:34 a.m.

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