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Understanding statistical hypothesis testing [PDF]

open access: possibleBMJ, 2014
Researchers assessed the efficacy of varenicline (a licensed cigarette smoking cessation aid) in helping users of smokeless tobacco to quit. A double blind, placebo controlled, parallel group, randomised controlled trial study design was used. The intervention was varenicline 1 mg twice daily.
P. Sedgwick
openaire   +3 more sources

Statistical Hypothesis Testing: Overview and Application

Headache: The Journal of Head and Face Pain, 2020
When developing new headache treatments or when discovering relationships among important variables, it is often necessary to infer characteristics about a large population from a sample of observed data.
Dana P. Turner   +2 more
openaire   +3 more sources

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