Advanced Methods in Family Therapy Research: A Focus on Validity and Change

This is the easiest to understand stats textbook I've ever had. I refer to it often. They are straight-forward and give great examples to help me understand their concepts. It's definitely the best stats reference I own.

This book is one the best books I have ever read!

An outstanding work, this text belongs in the library of every serious researcher in the field. Highly readable and directly and practically usable, it addresses state-of-the-art issues of validity and reliability in all aspects of family therapy research. Written by many of the field's most respected thought leaders in research, this is an outstanding tool.