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

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

All researchers face an important challenge - designing research that will have sufficient sensitivity to detect those effects it purports to investigate. Throu