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by Manishearth 3905 days ago
Agreed. Nothing in the article indicates that the results were due to a placebo effect and not due to randomness.
1 comments

Yep, they would need a lot more play time.

Like first two weeks of play in the "non-AI" version and then tell the player "AI" was added and ask after another two weeks if they find the new version more enjoyable in general