Bestselling reference and text, now updated: 35% new material encompasses extensive updates, the release of PROCESS for R, and new code for R with every example. *Provides the only documentation for PROCESS v3, Hayes' free macro for SPSS, SAS, and R that takes the computational burden off the researcher. *Includes tips and advice, and explains each step in an analysis using compelling examples from real studies (for example, workplace dynamics, media influences).

Helps readers understand the ...

*A to Z revision of a bestseller (250,000 in print); the bible of a proven, highly effective therapeutic technique. *Enjoys worldwide popularity; off-the-shelf and text sales are bolstered by author workshops and frequent MI training events. *Reorganized around the co-creators' evolving framework for teaching and implementing MI.

*Strong demand for MI titles: originally developed for treating addictions, the approach is now widely used throughout mental health and health care. *Value-added on...