The Importance of Effect Magnitude Over Statistical Hypotheses

Instead of asking “how many more crashes?” and the authors chose to ask “are we sufficiently sure that the effect was not zero?” This substitution of questions led to all the subsequent entanglements. These can all be avoided by not testing statistical hypotheses when the research question is about the effect of some treatment; by returning to common sense and the mainstream of science and providing estimates of effect magnitude and its standard error instead.

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