Assessing Statistical Power and Effect Sizes
A researcher is analyzing the effectiveness of a new drug using a two-sample T test. The study requires comparing minor effect sizes under different clinical conditions. The researcher must also determine the sample size needed to detect these effects while controlling for Type I and Type II errors. (a) Compare the interpretation of small, medium, […]
Designing a High-Power Statistical Study
You are tasked with designing a study to test a new drug using a one-sample Z test. The goal is to detect a clinically meaningful effect while controlling the type I and type II error rates. (a) Specify a desired power level for the study and justify your choice in a clinical trial context. (b) […]