Potential consequences of performing a study

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Is power directly or indirectly related to the size of the expected effect?

What exactly is 'power' and why is it important?

The committee only think they have enough money for a study of 50 people (25 per group). What kind of power would we have to detect a difference of 1 bout/week (effect size of 0.5)? What are potential consequences of performing a study with too few people (or insufficient power)?

Reference no: EM132849206

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