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By striving to create "clarity of effect", most prediction effects suffer from the weakness discussed in this article. Rick Johnsson's Too Perfect Theory may also be a factor. This issue also explains why a good coincidence effect often has a greater impact on an audience than a traditional prediction routine.

When predicting a superhero, it appears suspicious when a popular and well-known character is chosen, such as Superman, Batman or , these days, Ironman. It would be more convincing if the predicted hero were someone less popular, such as Aquaman or even Squirrel Girl!

Thanks for another insightful article, David.

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