Tag statistics
CCC Critical Care compendium 340

Power and Sample Size

It is unethical and a waste of time and resources to embark on a study when there is a high chance of a false negative result (Type II error). The commonest cause of this is having a sample size that is too small
CCC Critical Care compendium 340

Diagnostic Tests in Research

Diagnostic tests and terms: sensitivity; specificity; positive predictive value; negative predictive value; likelihood ratio; receiver operator characteristic curve (ROC curve)