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19 January 2021

159 This is because while 5% of null associations will be falsely declared as significant (assuming a 5% alpha level), the number of true positives correctly identified will decline as power declines (eg, from 80% of true associations correctly declared as significant in high powered studies to, say, only 20% in low powered studies)

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In this guide, we examine the existing science to answer the question, Does marijuana make you sleepy, lazy, tired, unmotivated, and unproductive? and the impact of different types of cannabis