title: Statistical tools in the quest for truth: hypothesis testing, confidence intervals, and the power of clinical studies.
authors.forename: Scott D
authors.initials: SD
authors.lastname: Smith
mesh_terms: D016001:Confidence Intervals; D003627:Data Interpretation, Statistical; D006801:Humans; D009885:Ophthalmology / Q000706:statistics & numerical data*; D010684:Philosophy; D011336:Probability; D012307:Risk Factors; D018401:Sample Size