Power analysis is an essential tool for determining whether a statistically significant result can be expected in a scientific experiment prior to the experimen

How Many Subjects? is a practical guide to sample size calculations and general principles of cost-effective research. It introduces a simple technique of stati

This book addresses sample size and power in the context of research, offering valuable insights for graduate and doctoral students as well as researchers in an

Statistical Power Analysis is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for

This book gives students, practitioners, and managers a set of practical and valuable tools for designing and analyzing experiments, emphasizing applications in