- Student study site materials are integrated within the text, with the use of marginal icons depicting interactive concept maps, journal articles, and tools and tips.
- New "Action Research" activity for each chapter is included.
- A chapter on Writing the Research report incorporates changes in new edition of the Publication Manual of the APA, and includes a sample manuscript using APA style.
- New exhibits on Egon G. Guba and Donald T. Campbell, and a new table on applying qualitative research validity strategies are incorporated.
- New material on research paradigms, types of plagiarism, using free software for random sampling and assignment, nomological vs. ideographic causation are integrated.
- Several chapters are slightly shortened and made simpler, without sacrificing any of the book's rigor.