sora-ten wrote:p<0.05 indicates the probability of being wrong (due to coincidence, not causality) is less than 5%. p>0.05 indicates the opposite.
sora-ten wrote:Therefore the symbol should be > for green jellybeans (biologists report exact values in this case) and < for all others (in which case p<0.05 is sufficient).
To help illustrate the problem, we conducted two experiments designed to demonstrate something false: that certain songs can change listeners’ age. Everything reported here actually happened.
A key part of the story is that, although such manipulations could be performed by a cheater, they could also seem like reasonable steps to a sincere researcher who thinks there’s an effect and wants to analyze the data a bit to understand it further.
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