The 4th edition focuses on "helping students succeed" in Introductory Psychology; with a focus on the differnet way people learn. This new study skills section focusing on learning styles, help sstudent determine how they best learn and guides them through the text with study tips designed for the type of learn they are. The Pathways to Learning assessment on page xxiv helps students determine what type of learner they are. Live!psych is fully intgrated. . Each text comes with a free study guide. It is a "comprehensive hardcover priced like a paperback." DP4 also helps instructors succeed with a new IRM, Instructor's resource CD-ROM, Lecture Launcher Videotape, and Test Item File written by Joe Palladino.