Statistical hypothesis testing: general approach in medical research

Statistical hypothesis testing is one of the key steps in modern medical research. Initially, scientists formulate a research based on which statistical then developed and statistically tested. This review provides null alternative hypotheses’ compiling examples for different questions general algorithm their using t -test. The authors also describe type I errors, are necessary to interpret p -values estimated from tests, II used assess study power. article focuses effect size its calculation methods, difference between significant clinically effects. associations size, sample error discussed.