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Tagged with control-group confidence-interval
3 questions
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Determining sample size for comparing rate of occurrence between two groups
Scenario: You are running a comparative clinical study. A test product is being used by one portion of the population (Group T) and a control product is being used by another (Group C).
The Question: ...
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In what situations is a one sample T-Test superior to a two sample T-Test?
I'm trying to make a case for more use and respect of one-sample t-test in medical studies (which are generally looked down upon, wrongfully so imo). I see that in general medical studies prefer at ...
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Confidence interval around effect size for pre-test post-test control group design
I'm evaluating different experimental studies that all included an experimental group, a treatment group and a two measurements (pre-test, post-test) and usually report the mean, standard deviation ...
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