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I wonder if his study was simply underpowered, and there may be a real but small effect.
An underpowered study is one that doesn’t get statistically significant results for a real effect because there is not enough data collected to distinguish between a small effect and random chance.
I wonder if his study was simply underpowered, and there may be a real but small effect.
An underpowered study is one that doesn’t get statistically significant results for a real effect because there is not enough data collected to distinguish between a small effect and random chance.