This edition has several major changes, and I would like to mention those first. There are two new chapters (15 and 16) on two very important topics. Chapter 15 on the Hierarchical Linear Model was written by Dr. Natasha Beretvas of the University of Texas at Austin. This model deals with correlated observations, which occur very fre quently in social science research. The general linear …
This edition, like previous editions, is written for those who use, rather than develop, advanced statistical methods. The focus is on conceptual understanding rather than proving results. The narrative and many examples are there to promote understanding, and a chapter on matrix algebra is included for those who need the extra help. Through- out the book, you will find output from SPSS (ve…