Statistical Power Trip

By

Paul D. Ellis

“Fantastic read! And just in time for a new project where I need to calculate the sample size.”

Is your study worth doing? Do you know how to design studies that work?

Using FAQs and a class-tested examples, this book will show you how to design studies that work!

In this jargon-free introduction, you will learn how to avoid the many problems that arise from misunderstanding issues of statistical power.

If you want to know;

• how to calculate required sample sizes
  
• how to design studies with adequate levels of statistical power
  
• how to boost the power of an under-powered study
  
• why too much power can be just as bad as too little
  
• why you can’t draw substantive conclusions from p values
  
• which journals have had their average power levels surveyed
  
• how the majority of studies in the social sciences are fatally flawed by design
  
• how to ensure your study has the best chance of reaching definitive conclusions
  

then this is the book for you!