"Sweller's Cognitive Load Theory has emerged as one of the most important and best researched bases for improving design of instruction...provides the first book-length practical design guide to the application of  CLT."
—Rob Foshay, senior vice president, Instructional Design and Research, Whitney University

"Riveting reading for anyone who wants to understand human mental processes and how they influence our behavior."
—Nancy Curtis, instructional designer, Element K

"Provides a distinguished example demonstrating how research findings can be made usable for practitioners."
—Alexander Renkl, professor, Department of Psychology, Educational Psychology, University of Freiburg

"Research on cognitive load theory has yielded many guidelines for the design of effective instruction. This excellent book clearly describes and illustrates those guidelines for practitioners in the field of education and training."
—Jeroen J.G. van Merrienboer, coauthor, Integrated E-Learning

"Nowhere else in book form will you find the guidelines that are here."
—Timothy W. Spannaus, instructional technology, Wayne State University